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5305-01-449-6993

Socket Head Cap Screw

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Official Item Classification

Name
Socket Head Cap Screw
(NSN) National Stock Number
5305-01-449-6993
(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
10/10/1997 (29 years ago)

0.960 inches minimum and 1.000 inches maximum thread length, 3a thread class, flat chamfer head style, right-hand thread direction, 0.960 inches minimum and 1.000 inches maximum fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.960 inches minimum and 1.000 inches maximum

Fastener Length

0.960 inches minimum and 1.000 inches maximum

Head Style

flat chamfer

Head Diameter

0.735 inches minimum and 0.750 inches maximum

Head Height

0.450 inches minimum

Locking Feature

strip locking feature

Internal Drive Style

hexagon

Nominal Thread Diameter

0.500 inches

Width Across Flats

0.3750 inches minimum and 0.3790 inches maximum

Nonstandard Thread Pitch Diameter

+0.4639 to 0.4675 inches

Thread Quantity Per Inch

20

Material

steel overall

Material Document And Classification

ff-s-86 assn std single material response overall

Surface Treatment

cadmium overall

Surface Treatment Document And Classification

qq-p-416, ty 2, cl 2. embrittlement test does not apply assn std single treatment response overall

Thread Series Designator

unrf

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
NAS1351-8LL16P Socket Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-449-6993?
The FSCG of the NSN 5305-01-449-6993 is 5305
Does the NSN 5305-01-449-6993 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-449-6993 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 5305-01-449-6993 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-449-6993 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 5305-01-449-6993 was assigned to the Federal Catalog?
It was assigned 29 years ago, on Fri, Oct 10, 1997