NAS1351N Screws | McMaster-Carr

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100,000 psi or greater

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Material Certificate with Traceable Lot Number

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UNRF

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Rockwell C33

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Unified Standard Class 3A

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120,000 psi

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0.096"

5/16"

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DFARS Specialty Metals

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

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42 Products

Stainless Steel Socket Head Screws


Fully Threaded	Partially Threaded

These screws won't rust or corrode when exposed to moisture and chemicals. Their deep, six-point socket keeps hex keys from slipping out and damaging the drive.

Length is measured from under the head.

High-Temperature High-Strength A286 Stainless Steel—Often used to fasten parts in engines and turbines, these are our strongest stainless steel screws. They withstand higher temperatures than 18-8 stainless steel screws and resist corrosion from chemicals, such as bleach and chlorine. However, they won't hold up to salt water as well as 316 stainless steel screws.

Military Specification—Manufactured and tested to meet strict U.S. military standards for material and construction.

		Head							Each		Package
	Lg.	Dia.	Ht.	Threading	Thread Spacing	Tensile Strength, psi	Mil. Spec.	Specs. Met		Each	Pkg. Qty.		Pkg.
High-Temperature High-Strength A286 Stainless Steel







				0-80

				1/8"	0.096"	0.06"	Fully Threaded	Fine	160,000	NAS1351N00-2	Fed. Spec. FF-S-86, SAE AMS5737	92423A101	00000	100	92423A201	0000000


				3/16"	0.096"	0.06"	Fully Threaded	Fine	160,000	NAS1351N00-3	Fed. Spec. FF-S-86, SAE AMS5737	92423A102	0000	100	92423A202	000000
				1/4"	0.096"	0.06"	Fully Threaded	Fine	160,000	NAS1351N00-4	Fed. Spec. FF-S-86, SAE AMS5737	92423A103	0000	100	92423A203	000000
				5/16"	0.096"	0.06"	Fully Threaded	Fine	160,000	NAS1351N00-5	Fed. Spec. FF-S-86, SAE AMS5737	92423A104	0000	100	92423A204	000000
				3/8"	0.096"	0.06"	Fully Threaded	Fine	160,000	NAS1351N00-6	Fed. Spec. FF-S-86, SAE AMS5737	92423A105	0000	100	92423A205	000000
				1/2"	0.096"	0.06"	Fully Threaded	Fine	160,000	NAS1351N00-8	Fed. Spec. FF-S-86, SAE AMS5737	92423A106	0000	100	92423A206	000000




						10-32

						3/8"	5/16"	0.19"	Fully Threaded	Fine	160,000	NAS1351N3-6	Fed. Spec. FF-S-86, SAE AMS5737	92423A502	0000	100	92423A501	000000


						1/2"	5/16"	0.19"	Fully Threaded	Fine	160,000	NAS1351N3-8	Fed. Spec. FF-S-86, SAE AMS5737	92423A505	0000	100	92423A504	000000
						5/8"	5/16"	0.19"	Fully Threaded	Fine	160,000	NAS1351N3-10	Fed. Spec. FF-S-86, SAE AMS5737	92423A508	0000	100	92423A509	000000
						3/4"	5/16"	0.19"	Fully Threaded	Fine	160,000	NAS1351N3-12	Fed. Spec. FF-S-86, SAE AMS5737	92423A511	0000	100	92423A512	000000
						7/8"	5/16"	0.19"	Fully Threaded	Fine	160,000	NAS1351N3-14	Fed. Spec. FF-S-86, SAE AMS5737	92423A513	0000	100	92423A514	000000
						1"	5/16"	0.19"	Fully Threaded	Fine	160,000	NAS1351N3-16	Fed. Spec. FF-S-86, SAE AMS5737	92423A516	0000	100	92423A515	000000
						1 1/4"	5/16"	0.19"	Partially Threaded	Fine	160,000	NAS1351N3-20	Fed. Spec. FF-S-86, SAE AMS5737	92423A519	0000	25	92423A518	000000
						1 1/2"	5/16"	3/16"	Partially Threaded	Fine	160,000	NAS1351N3-24	ASME B18.3, SAE AMS5731, SAE AMS5737	92423A126	00000	25	92423A226	000000
						1 3/4"	5/16"	3/16"	Partially Threaded	Fine	160,000	NAS1351N3-28	ASME B18.3, SAE AMS5731, SAE AMS5737	92423A127	00000	25	92423A227	000000
						2"	5/16"	3/16"	Partially Threaded	Fine	160,000	NAS1351N3-32	ASME B18.3, SAE AMS5731, SAE AMS5737	92423A128	00000	25	92423A228	000000
						2 1/4"	5/16"	3/16"	Partially Threaded	Fine	160,000	NAS1351N3-36	ASME B18.3, SAE AMS5731, SAE AMS5737	92423A129	0000	25	92423A229	000000


						2 1/2"	5/16"	3/16"	Partially Threaded	Fine	160,000	NAS1351N3-40	ASME B18.3, SAE AMS5731, SAE AMS5737	92423A130	00000	25	92423A230	000000
						2 3/4"	5/16"	3/16"	Partially Threaded	Fine	160,000	NAS1351N3-44	ASME B18.3, SAE AMS5731, SAE AMS5737	92423A131	00000	25	92423A231	000000
						3"	5/16"	3/16"	Partially Threaded	Fine	160,000	NAS1351N3-48	ASME B18.3, SAE AMS5731, SAE AMS5737	92423A132	00000	25	92423A232	000000
						4"	5/16"	3/16"	Partially Threaded	Fine	160,000	NAS1351N3-64	ASME B18.3, SAE AMS5731, SAE AMS5737	92423A133	00000	25	92423A233	000000