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5305-00-977-9255

Shoulder Screw

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Official Item Classification

Name
Shoulder Screw
(NSN) National Stock Number
5305-00-977-9255
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
22846
(FIIG) Federal Item Identification Guide
A003B0
Date
01/01/1962 (64 years ago)

flat chamfer head style, 2a thread class, 0.313 inches nominal thread length, 0.984 inches nominal fastener length, right-hand thread direction

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.313 inches nominal

Fastener Length

0.984 inches nominal

Head Style

flat chamfer

Head Diameter

0.250 inches nominal

Head Height

0.172 inches nominal

Shoulder Diameter

0.250 inches nominal first shoulder

Shoulder Length

0.578 inches nominal first shoulder

Shank Unthreaded Hole Diameter

0.031 inches nominal first hole

Internal Drive Style

slot

Nominal Thread Diameter

0.164 inches

Thread Quantity Per Inch

32

Distance From Head Largest Bearing Surface To Shank Hole Center

0.203 inches nominal first hole

Shoulder Shape

round first shoulder

Special Features

circumferential groove 0.031 in. w cut in shoulder 0.437 in. from bearing surface of head

Material

steel comp 303 overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

mil-f-14072,finish e300 mil spec single treatment response overall

Thread Series Designator

unc

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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

0022846

Related Hardware Products

Part Number Description
1754504-2 Shoulder Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-977-9255?
The FSCG of the NSN 5305-00-977-9255 is 5305
Does the NSN 5305-00-977-9255 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-977-9255 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 5305-00-977-9255 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-977-9255 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 5305-00-977-9255 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962