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5305-01-329-7668

Socket Head Cap Screw

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Official Item Classification

Name
Socket Head Cap Screw
(NSN) National Stock Number
5305-01-329-7668
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
16282
(FIIG) Federal Item Identification Guide
A003B0
Date
11/22/1990 (35 years ago)

1.000 inches minimum thread length, flat chamfer head style, 3a thread class, 1.460 inches minimum and 1.500 inches maximum fastener length, right-hand thread direction

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

1.000 inches minimum

Fastener Length

1.460 inches minimum and 1.500 inches maximum

Head Style

flat chamfer

Head Diameter

0.365 inches minimum and 0.375 inches maximum

Head Height

0.244 inches minimum and 0.250 inches maximum

Hole Diameter

0.044 inches minimum and 0.050 inches maximum

Internal Drive Style

hexagon

Nominal Thread Diameter

0.250 inches

Width Across Flats

0.187 inches minimum and 0.190 inches maximum

Hole Quantity

6

Hole Type

drilled

Thread Quantity Per Inch

28

Minimum Tensile Strength

180000 pounds per square inch

Hardness Rating

39.0 rockwell c minimum and 45.0 rockwell c maximum overall

Minimum Yield Strength

155000 pounds per square inch

Hole Configuration Style

round internal hexagon

Color

black overall

Material

steel overall

Surface Treatment

oxide overall

Surface Treatment Document And Classification

mil-s-13924,cl 3 mil spec single treatment response overall

Thread Series Designator

unrf

Specification/Standard Data

80205-nas1351 professional/industrial association standard

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0016282

Related Hardware Products

Part Number Description
NAS1351-4H24 Socket Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-329-7668?
The FSCG of the NSN 5305-01-329-7668 is 5305
Does the NSN 5305-01-329-7668 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-329-7668 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5305-01-329-7668 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-329-7668 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5305-01-329-7668 was assigned to the Federal Catalog?
It was assigned 35 years ago, on Thu, Nov 22, 1990