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System
of
Measurement
Inch
Thread
Size
See all
4
-
40
Material
Acetal
Brass
Stainless
Steel
Steel
Nut
Type
Flange
Hex
Locknut
Thumb
Hex
Nut
Profile
Narrow
Thin
Specifications
Met
Fed.
Spec.
FF
-
N
-
836
NAS
Height
1/16"
3/32"
7/64"
1/8"
3/16"
1/4"
5/16"
3/8"
5/8"
Width
3/16"
1/4"
5/16"
Thread
Direction
Left
Hand
Right
Hand
Locking
Type
Nylon
Insert
Thread
Fit
Unified
Standard
Class
2B
Unified
Standard
Class
3B
Thread
Type
UNC
Finish
Black
Oxide
Cadmium
Yellow
-
Chromate
Plated
Zinc
Plated
REACH
Compliance
REACH
(EC
1907/2006)
(01/23/2024,
240
SVHC)
Compliant
REACH
(EC
1907/2006)
(06/14/2023,
235
SVHC)
Compliant
REACH
(EC
1907/2006)
(01/17/2023,
233
SVHC)
Compliant
RoHS
Compliance
RoHS
3
(2015/863/EU)
Compliant
RoHS
3
(2015/863/EU)
Compliant
with
Exemptions
Not
Compliant
Thread
Spacing
Coarse
DFARS
Compliance
Specialty
Metals
Compliant
(252.225
-
7009)
Specialty
Metals
COTS
-
Exempt
Not
Specialty
Metals
Compliant
Drive
Style
External
Hex
Military
Specifications
Met
MS21083C04
MS21083N04
Insert
Maximum
Temperature
220°
F
250°
F
Thumb
Nut
Profile
Flanged
Standard
Head
Diameter
5/16"
3/8"
1/2"
3/4"
Collar
Height
3/64"
1/8"
9/64"
1/4"
1/2"
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21 Products
Fastening and Joining
Hex
Nuts
Handle
most
general
fastening
needs
3 products
Locknuts
Hold
fasteners
in
place
to
prevent
loosening
from
vibration
5 products
Thumb
Nuts
Easy
to
tighten
and
loosen
by
hand
for
making
frequent
adjustments
13 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)