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5305-01-657-3389

Socket Head Cap Screw

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Official Item Classification

Name
Socket Head Cap Screw
(NSN) National Stock Number
5305-01-657-3389
(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
08/08/2016 (10 years ago)

0.375 inches nominal thread length, flat countersunk head style, right-hand thread direction, 0.375 inches nominal fastener length, 3a thread class

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.375 inches nominal

Fastener Length

0.375 inches nominal

Head Style

flat countersunk

Head Diameter

0.307 inches nominal

Internal Drive Style

hexagon

End Item Identification

kc-46a support equipment

Nominal Thread Diameter

0.138 inches

Width Across Flats

0.078 inches nominal

Thread Quantity Per Inch

32

Minimum Tensile Strength

120000 pounds per square inch

Hardness Rating

32.0 rockwell c nominal overall

Countersink Angle

82.0 degrees nominal

Part Name Assigned By Controlling Agency

alloy steel flat-head socket cap screw

Material

steel corrosion resisting overall

Material Document And Classification

astm f835 government std/spec single material response overall

Surface Treatment

zinc 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

Related Hardware Products

Part Number Description
91263A514 Socket Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-657-3389?
The FSCG of the NSN 5305-01-657-3389 is 5305
Does the NSN 5305-01-657-3389 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-657-3389 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 5305-01-657-3389 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-657-3389 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 5305-01-657-3389 was assigned to the Federal Catalog?
It was assigned 10 years ago, on Mon, Aug 8, 2016