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5305-01-253-2995

Socket Head Cap Screw

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Official Item Classification

Name
Socket Head Cap Screw
(NSN) National Stock Number
5305-01-253-2995
(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
04/16/1987 (39 years ago)

right-hand thread direction, 3a thread class, flat chamfer head style, 1.125 inches nominal thread length, 1.250 inches nominal fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

1.125 inches nominal

Fastener Length

1.250 inches nominal

Head Style

flat chamfer

Head Diameter

0.550 inches minimum and 0.562 inches maximum

Head Height

0.368 inches minimum and 0.375 inches maximum

Internal Drive Style

hexagon

Nominal Thread Diameter

0.375 inches

Width Across Flats

0.312 inches nominal

Thread Quantity Per Inch

16

Minimum Tensile Strength

80000 pounds per square inch

Hardness Rating

80.0 rockwell b minimum overall

Minimum Yield Strength

30000 pounds per square inch

Material

steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp xm-7 or steel comp 384 overall

Thread Series Designator

unc

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

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Frequently Asked Questions

What is the FSCG of the NSN 5305-01-253-2995?
The FSCG of the NSN 5305-01-253-2995 is 5305
Does the NSN 5305-01-253-2995 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-253-2995 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 5305-01-253-2995 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-253-2995 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 5305-01-253-2995 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Thu, Apr 16, 1987