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5305-01-727-6636

Socket Head Cap Screw

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Official Item Classification

Name
Socket Head Cap Screw
(NSN) National Stock Number
5305-01-727-6636
(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
03/13/2025 (1 year ago)

2.25 inches nominal thread length, 3a thread class, flat chamfer head style, 7.00 inches nominal fastener length, right-hand thread direction

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

2.25 inches nominal

Fastener Length

7.00 inches nominal

Head Style

flat chamfer

Head Diameter

1.293 inches minimum and 1.312 inches maximum

Head Height

0.864 inches minimum and 0.875 inches maximum

Locking Feature

self-locking locking feature

Internal Drive Style

hexagon

Nominal Thread Diameter

0.875 inches

Width Across Flats

0.750 inches nominal

Thread Quantity Per Inch

9

Minimum Tensile Strength

130000 pounds per square inch

Hardness Rating

24.0 rockwell c minimum and 35.0 rockwell c maximum fastener

Minimum Yield Strength

90000 pounds per square inch

Chamfer Angle

30.0 degrees minimum and 45.0 degrees maximum

Part Name Assigned By Controlling Agency

socket head cap screw

Special Features

locking feature iaw mil-f-8961 or mil-dtl-18240

Material

nickel alloy 500 fastener

Material Document And Classification

qq-n-286,solution annealed and aged fed spec single material response fastener

Thread Series Designator

unc

Specification/Standard Data

81349-mil-dtl-1222j government specification

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
2643-825-91 ITEM 28 Socket Head Cap Screw
845-7286651 ITEM 28 Socket Head Cap Screw
M1222SN14C3112NCLN Socket Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-727-6636?
The FSCG of the NSN 5305-01-727-6636 is 5305
Does the NSN 5305-01-727-6636 have a Schedule B code assigned?
Yes, the Schedule B code is 7508900000
Does NSN 5305-01-727-6636 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 5305-01-727-6636 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-727-6636 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 5305-01-727-6636 was assigned to the Federal Catalog?
It was assigned 1 year ago, on Thu, Mar 13, 2025