Fed. Spec. RR-C-271 Shackles

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Pin Diameter

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Opening Width

Weight Capacity

10,000 lb. to 19,999 lb.

20,000 lb. to 29,999 lb.

100,000 lb. or greater

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Thickness

Application

Finish

Applied Load Direction

Attachment Type

Safety Factor

Specifications Met

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Performance

Heavy Vibration Resistant

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Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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93 Products

Shackle Type

Anchor

Handle vertical and side loads without warping

62 products

D-Type

The best choice for lifting and towing with chain

31 products

Performance

Vibration Resistant

Pin won't shake loose from movement

45 products

Corrosion Resistant

Won't rust in wet or outdoor environments

74 products

Anchor Shackles for Lifting

Your go-to choice for connecting hooks, slings, and other rigging and lifting equipment. The rounded body on these shackles supports vertical or side loads without fatiguing or warping the shape. They meet ASME specifications for rigging and lifting, so they can hoist everything from steel beams to bulldozers. Look for the manufacturer's stamp to confirm the size and weight capacity. Also known as bow shackles.

Note: Capacities listed are for vertical lifting only. As the lift angle changes from vertical, the amount of weight the shackle can lift is significantly reduced.

Screw Pin—The most common shackle pin type. Although the pin easily connects and disconnects, it can come unscrewed or wear down over time, so it's best for temporary use.

Safety Cotter Pin—Both a threaded nut and cotter pin hold these shackles in place. Also known as bolt-type shackles, the pin won’t slide out with movement. This means you can use these shackles with vibrating equipment and for long-term rigging setups.

Black-Oxide Steel—The dark finish on these shackles resists occasional moisture.

Galvanized Steel—A thick coating protects these shackles in wet and outdoor environments better than black-oxide steel. However, they corrode when exposed to salt water and chemicals.

Highly Corrosion-Resistant 316 Stainless Steel—Our most corrosion-resistant shackles stand up to moisture, salt water, and chemicals.

	Opening Wd.	Pin Dia.	Inside Lg.	Inside Wd.	Wt. Cap., lb.	Specs. Met		Each
Screw Pin







			Black-Oxide Steel

			3/16"	3/8"	1/4"	7/8"	9/16"	665	ASME B30.26, Fed. Spec. RR-C-271	8494T11	00000


			1/4"	15/32"	5/16"	1 1/8"	3/4"	1,000	ASME B30.26, Fed. Spec. RR-C-271	8494T12	0000
			5/16"	17/32"	3/8"	1 1/4"	15/16"	1,500	ASME B30.26, Fed. Spec. RR-C-271	8494T13	0000
			3/8"	21/32"	7/16"	1 7/16"	1 1/8"	2,000	ASME B30.26, Fed. Spec. RR-C-271	8494T14	00000
			7/16"	23/32"	1/2"	1 11/16"	1 5/16"	3,000	ASME B30.26, Fed. Spec. RR-C-271	8494T15	00000
			1/2"	13/16"	5/8"	1 15/16"	1 1/2"	4,000	ASME B30.26, Fed. Spec. RR-C-271	8494T16	00000
			5/8"	1 1/16"	3/4"	2 1/2"	1 7/8"	6,500	ASME B30.26, Fed. Spec. RR-C-271	8494T17	00000
			3/4"	1 1/4"	7/8"	3"	2"	9,500	ASME B30.26, Fed. Spec. RR-C-271	8494T18	00000
			7/8"	1 7/16"	1"	3 1/4"	2 5/8"	13,000	ASME B30.26, Fed. Spec. RR-C-271	8494T19	00000
			1"	1 11/16"	1 1/8"	3 3/4"	2 3/4"	17,000	ASME B30.26, Fed. Spec. RR-C-271	8494T21	00000




					Galvanized Steel

					1/4"	1/2"	5/16"	1 5/32"	25/32"	1,100	ASME B30.26, Fed. Spec. RR-C-271	3558T45	0000


					7/16"	3/4"	1/2"	1 23/32"	1 3/16"	3,300	ASME B30.26, Fed. Spec. RR-C-271	3558T48	00000
					1/2"	13/16"	5/8"	1 29/32"	1 5/16"	4,400	ASME B30.26, Fed. Spec. RR-C-271	3558T49	00000
					5/8"	1 1/16"	3/4"	2 13/32"	1 23/32"	7,100	ASME B30.26, Fed. Spec. RR-C-271	3558T51	00000
					3/4"	1 1/4"	7/8"	2 13/16"	2"	10,400	ASME B30.26, Fed. Spec. RR-C-271	3558T52	00000
					7/8"	1 15/32"	1"	3 5/16"	2 9/32"	14,300	ASME B30.26, Fed. Spec. RR-C-271	3558T53	00000
					1"	1 11/16"	1 1/8"	3 3/4"	2 11/16"	18,700	ASME B30.26, Fed. Spec. RR-C-271	3558T54	00000
					1 1/8"	1 13/16"	1 1/4"	4 1/4"	2 15/16"	20,900	ASME B30.26, Fed. Spec. RR-C-271	3558T55	000000
					1 1/4"	2 1/32"	1 3/8"	4 23/32"	3 1/4"	26,400	ASME B30.26, Fed. Spec. RR-C-271	3558T56	000000
					1 3/8"	2 1/4"	1 17/32"	5 7/32"	3 5/8"	29,700	ASME B30.26, Fed. Spec. RR-C-271	3558T57	000000
					2 1/2"	4 1/8"	2 3/4"	10 1/2"	7 1/4"	110,000	ASME B30.26, Fed. Spec. RR-C-271	3558T62	00000000




							Highly Corrosion-Resistant 316 Stainless Steel

							3/16"	13/32"	1/4"	27/32"	19/32"	650	ASME B30.26, Fed. Spec. RR-C-271	3583T21	00000


							1/4"	15/32"	5/16"	1 1/8"	3/4"	1,000	ASME B30.26, Fed. Spec. RR-C-271	3583T11	00000
							5/16"	17/32"	3/8"	1 7/32"	13/16"	1,300	ASME B30.26, Fed. Spec. RR-C-271	3583T12	00000
							3/8"	21/32"	7/16"	1 7/16"	31/32"	1,500	ASME B30.26, Fed. Spec. RR-C-271	3583T13	00000
							7/16"	23/32"	1/2"	1 25/32"	1 1/16"	2,000	ASME B30.26, Fed. Spec. RR-C-271	3583T14	00000
							1/2"	13/16"	5/8"	1 27/32"	1 7/32"	3,000	ASME B30.26, Fed. Spec. RR-C-271	3583T15	00000
							5/8"	1 1/32"	3/4"	2 7/16"	1 1/2"	4,000	ASME B30.26, Fed. Spec. RR-C-271	3583T16	00000
							3/4"	1 1/4"	7/8"	2 27/32"	1 29/32"	6,000	ASME B30.26, Fed. Spec. RR-C-271	3583T17	00000
							7/8"	1 15/32"	1"	3 5/16"	2 7/32"	8,000	ASME B30.26, Fed. Spec. RR-C-271	3583T18	00000
							1"	1 11/16"	1 1/8"	3 13/16"	2 5/16"	10,000	ASME B30.26, Fed. Spec. RR-C-271	3583T19	000000
							1 1/4"	2 1/32"	1 3/8"	4 11/16"	3 5/16"	14,000	ASME B30.26, Fed. Spec. RR-C-271	3583T22	000000


							Safety Cotter Pin







	Black-Oxide Steel

	1/4"	15/32"							5/16"	1 1/8"	3/4"	1,000	ASME B30.26, Fed. Spec. RR-C-271	8494T26	00000


	5/16"	17/32"							3/8"	1 1/4"	15/16"	1,500	ASME B30.26, Fed. Spec. RR-C-271	8494T27	00000
	3/8"	21/32"							7/16"	1 7/16"	1 1/8"	2,000	ASME B30.26, Fed. Spec. RR-C-271	8494T28	00000
	7/16"	23/32"							1/2"	1 11/16"	1 5/16"	3,000	ASME B30.26, Fed. Spec. RR-C-271	8494T29	00000
	1/2"	13/16"							5/8"	1 15/16"	1 1/2"	4,000	ASME B30.26, Fed. Spec. RR-C-271	8494T31	00000
	5/8"	1 1/16"							3/4"	2 1/2"	1 7/8"	6,500	ASME B30.26, Fed. Spec. RR-C-271	8494T32	00000
	3/4"	1 1/4"							7/8"	3"	2"	9,500	ASME B30.26, Fed. Spec. RR-C-271	8494T33	00000
	7/8"	1 7/16"							1"	3 1/4"	2 5/8"	13,000	ASME B30.26, Fed. Spec. RR-C-271	8494T34	00000
	1"	1 11/16"							1 1/8"	3 3/4"	2 3/4"	17,000	ASME B30.26, Fed. Spec. RR-C-271	8494T35	000000




									Galvanized Steel

			3/16"						3/8"	1/4"	29/32"	5/8"	700	ASME B30.26, Fed. Spec. RR-C-271	3555T45	00000


			1/4"	1/2"					5/16"	1 5/32"	25/32"	1,100	ASME B30.26, Fed. Spec. RR-C-271	3555T46	00000
			5/16"	17/32"					13/32"	1 1/4"	27/32"	1,600	ASME B30.26, Fed. Spec. RR-C-271	3555T47	00000
			3/8"	11/16"					15/32"	1 15/32"	1 1/32"	2,200	ASME B30.26, Fed. Spec. RR-C-271	3555T48	00000
			7/16"	3/4"					1/2"	1 23/32"	1 3/16"	3,300	ASME B30.26, Fed. Spec. RR-C-271	3555T49	00000
			1/2"	13/16"					21/32"	1 29/32"	1 5/16"	4,400	ASME B30.26, Fed. Spec. RR-C-271	3555T51	00000
			5/8"	1 1/16"					25/32"	2 13/32"	1 23/32"	7,100	ASME B30.26, Fed. Spec. RR-C-271	3555T52	00000
			3/4"	1 1/4"					29/32"	2 13/16"	2"	10,400	ASME B30.26, Fed. Spec. RR-C-271	3555T53	00000
			7/8"	1 15/32"					1 1/32"	3 5/16"	2 9/32"	14,300	ASME B30.26, Fed. Spec. RR-C-271	3555T54	000000
			1"	1 23/32"					1 5/32"	3 3/4"	2 23/32"	18,700	ASME B30.26, Fed. Spec. RR-C-271	3555T55	000000
			1 1/8"	1 13/16"					1 1/4"	4 1/4"	2 15/16"	20,900	ASME B30.26, Fed. Spec. RR-C-271	3555T56	000000




									Highly Corrosion-Resistant 316 Stainless Steel

					1/4"				1/2"	5/16"	1 1/8"	3/4"	1,000	ASME B30.26, Fed. Spec. RR-C-271	3860T21	00000


					5/16"	17/32"			3/8"	1 7/32"	13/16"	1,300	ASME B30.26, Fed. Spec. RR-C-271	3860T22	00000
					3/8"	11/16"			7/16"	1 7/16"	31/32"	1,500	ASME B30.26, Fed. Spec. RR-C-271	3860T23	00000
					7/16"	3/4"			1/2"	1 25/32"	1 1/16"	2,000	ASME B30.26, Fed. Spec. RR-C-271	3860T24	00000
					1/2"	27/32"			5/8"	1 27/32"	1 7/32"	3,000	ASME B30.26, Fed. Spec. RR-C-271	3860T25	00000
					5/8"	1 1/32"			3/4"	2 7/16"	1 1/2"	4,000	ASME B30.26, Fed. Spec. RR-C-271	3860T26	000000
					3/4"	1 1/4"			7/8"	2 27/32"	1 3/4"	6,000	ASME B30.26, Fed. Spec. RR-C-271	3860T27	000000
					7/8"	1 1/2"			1"	3 5/16"	2"	8,000	ASME B30.26, Fed. Spec. RR-C-271	3860T28	000000
					1"	1 23/32"			1 1/8"	3 13/16"	2 5/16"	10,000	ASME B30.26, Fed. Spec. RR-C-271	3860T29	000000
					1 1/4"	2 1/32"			1 3/8"	4 11/16"	3 5/16"	14,000	ASME B30.26, Fed. Spec. RR-C-271	3860T31	000000

D-Type Shackles for Lifting

The best choice for lifting with chain. The bow and pin are equally wide to keep chain links from sliding or moving and support heavier vertical loads than anchor shackles. However, they're rated for vertical lifting only, as side loading might deform the bow. All meet ASME specifications for use with rigging and lifting equipment. Look for the manufacturer's stamp to confirm the size and weight capacity. Also known as chain shackles.

Note: Capacities listed are for vertical lifting only. As the lift angle changes from vertical, the amount of weight the shackle can lift is significantly reduced.

Screw Pin—The most common shackle pin type. Although the pin easily connects and disconnects, it can come unscrewed or wear down over time, so it's best for temporary use.

Galvanized Steel—A thick coating protects these shackles in wet and outdoor environments better than black-oxide steel. However, they corrode when exposed to salt water and chemicals.

Highly Corrosion-Resistant 316 Stainless Steel—Our most corrosion-resistant shackles stand up to moisture, salt water, and chemicals.

	Thk.	Opening Wd.	Pin Dia.	Inside Lg.	Inside Wd.	Wt. Cap., lb.	Specs. Met		Each
Screw Pin







				Galvanized Steel

				7/16"	3/4"	1/2"	1 1/2"	3/4"	3,300	ASME B30.26, Fed. Spec. RR-C-271	3560T47	000000


				1/2"	13/16"	21/32"	1 11/16"	13/16"	4,400	ASME B30.26, Fed. Spec. RR-C-271	3560T48	00000
				5/8"	1 1/16"	3/4"	2 1/16"	1 1/16"	7,100	ASME B30.26, Fed. Spec. RR-C-271	3560T49	00000
				3/4"	1 1/4"	29/32"	2 13/32"	1 1/4"	10,400	ASME B30.26, Fed. Spec. RR-C-271	3560T51	00000
				7/8"	1 15/32"	1"	2 7/8"	1 7/16"	14,300	ASME B30.26, Fed. Spec. RR-C-271	3560T52	00000
				1"	1 23/32"	1 5/32"	3 1/4"	1 11/16"	18,700	ASME B30.26, Fed. Spec. RR-C-271	3560T53	000000
				1 1/4"	2 1/32"	1 13/32"	4"	2"	26,400	ASME B30.26, Fed. Spec. RR-C-271	3560T55	000000




						Highly Corrosion-Resistant 316 Stainless Steel

						1/4"	15/32"	5/16"	7/8"	15/32"	1,000	ASME B30.26, Fed. Spec. RR-C-271	35895T111	0000


						5/16"	17/32"	13/32"	1 1/32"	17/32"	1,300	ASME B30.26, Fed. Spec. RR-C-271	35895T112	00000
						3/8"	21/32"	15/32"	1 1/4"	21/32"	1,500	ASME B30.26, Fed. Spec. RR-C-271	35895T113	00000
						7/16"	3/4"	1/2"	1 7/16"	3/4"	2,000	ASME B30.26, Fed. Spec. RR-C-271	35895T119	00000
						1/2"	13/16"	21/32"	1 19/32"	13/16"	3,000	ASME B30.26, Fed. Spec. RR-C-271	35895T114	00000
						5/8"	1 1/16"	3/4"	1 31/32"	1 1/16"	4,000	ASME B30.26, Fed. Spec. RR-C-271	35895T115	00000
						3/4"	1 7/32"	29/32"	2 13/32"	1 7/32"	6,000	ASME B30.26, Fed. Spec. RR-C-271	35895T116	000000
						7/8"	1 15/32"	1"	2 29/32"	1 15/32"	8,000	ASME B30.26, Fed. Spec. RR-C-271	35895T117	000000
						1"	1 11/16"	1 5/32"	3 7/32"	1 11/16"	10,000	ASME B30.26, Fed. Spec. RR-C-271	35895T118	000000


						Safety Cotter Pin







										Galvanized Steel

										1/4"	1/2"	5/16"	15/16"	7/16"	1,100	ASME B30.26, Fed. Spec. RR-C-271	3556T26	00000


										5/16"	17/32"	13/32"	1 3/32"	1/2"	1,600	ASME B30.26, Fed. Spec. RR-C-271	3556T27	00000
										3/8"	11/16"	15/32"	1 9/32"	5/8"	2,200	ASME B30.26, Fed. Spec. RR-C-271	3556T28	00000
										7/16"	3/4"	1/2"	1 1/2"	3/4"	3,300	ASME B30.26, Fed. Spec. RR-C-271	3556T29	00000
										1/2"	13/16"	21/32"	1 11/16"	13/16"	4,400	ASME B30.26, Fed. Spec. RR-C-271	3556T14	00000
										5/8"	1 1/16"	25/32"	2 1/16"	1 1/16"	7,100	ASME B30.26, Fed. Spec. RR-C-271	3556T15	00000
										3/4"	1 1/4"	29/32"	2 13/32"	1 1/4"	10,400	ASME B30.26, Fed. Spec. RR-C-271	3556T16	00000
										7/8"	1 15/32"	1 1/32"	2 7/8"	1 7/16"	14,300	ASME B30.26, Fed. Spec. RR-C-271	3556T17	000000
										1"	1 23/32"	1 5/32"	3 1/4"	1 11/16"	18,700	ASME B30.26, Fed. Spec. RR-C-271	3556T18	000000




												Highly Corrosion-Resistant 316 Stainless Steel

3/8"												21/32"	15/32"	1 1/4"	21/32"	1,500	ASME B30.26, Fed. Spec. RR-C-271	35895T123	00000


1/2"	13/16"											21/32"	1 19/32"	13/16"	3,000	ASME B30.26, Fed. Spec. RR-C-271	35895T124	00000
5/8"	1 1/16"											3/4"	1 31/32"	1 1/16"	4,000	ASME B30.26, Fed. Spec. RR-C-271	35895T125	000000
3/4"	1 7/32"	29/32"										2 13/32"	1 7/32"	6,000	ASME B30.26, Fed. Spec. RR-C-271	35895T126	000000
7/8"	1 15/32"	1"	2 29/32"									1 15/32"	8,000	ASME B30.26, Fed. Spec. RR-C-271	35895T127	000000
1"	1 11/16"	1 5/32"	3 7/32"									1 11/16"	10,000	ASME B30.26, Fed. Spec. RR-C-271	35895T128	000000