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5305-01-313-5129

Socket Head Cap Screw

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Official Item Classification

Name
Socket Head Cap Screw
(NSN) National Stock Number
5305-01-313-5129
(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
01/10/1990 (36 years ago)

flat chamfer head style, 3a thread class, 1.125 inches minimum thread length, right-hand thread direction, 6.815 inches minimum and 6.875 inches maximum fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

1.125 inches minimum

Fastener Length

6.815 inches minimum and 6.875 inches maximum

Head Style

flat chamfer

Head Diameter

0.457 inches minimum and 0.469 inches maximum

Head Height

0.306 inches minimum and 0.312 inches maximum

Hole Diameter

0.044 inches minimum and 0.050 inches maximum

Internal Drive Style

hexagon

Nominal Thread Diameter

0.312 inches

Width Across Flats

0.250 inches minimum and 0.253 inches maximum

Hole Quantity

6

Hole Type

drilled

Thread Quantity Per Inch

24

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

Material

steel overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-416 ty 2,cl 2 fed 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
02-032104 Socket Head Cap Screw
NAS1351-5H104P Socket Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-313-5129?
The FSCG of the NSN 5305-01-313-5129 is 5305
Does the NSN 5305-01-313-5129 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-313-5129 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 5305-01-313-5129 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-313-5129 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 5305-01-313-5129 was assigned to the Federal Catalog?
It was assigned 36 years ago, on Wed, Jan 10, 1990