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5307-00-264-0256

Self-Locking Stud

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Official Item Classification

Name
Self-Locking Stud
(NSN) National Stock Number
5307-00-264-0256
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5307 Studs
(INC) Item Name Code
27783
(FIIG) Federal Item Identification Guide
A051A0
Date
07/15/1973 (53 years ago)

0.259 inches minimum and 0.263 inches maximum head diameter, 0.058 inches nominal head length, 0.625 inches nominal nut thread thread length, right-hand nut thread thread direction, 2a nut thread thread class

Specs & Compatibility

Thread Class

2a nut thread

Thread Direction

right-hand nut thread

Thread Length

0.625 inches nominal nut thread

Head Diameter

0.259 inches minimum and 0.263 inches maximum

Head Length

0.058 inches nominal

Locking Feature

self-clinching head

Overall Length

0.683 inches nominal

Distance Across Flats

0.312 inches nominal

Thread Quantity Per Inch

32 nut thread

Nominal Thread Size

0.190 inches nut thread

Material

steel comp 303

Material Document And Classification

aisi assn std single material response

Surface Treatment

passivate overall

Style Designator

self-locking

Thread Series Designator

unf nut thread

Replacement For

Part Number Description
5307-00-264-0259 No Name Available 03/01/1978

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

0027783

Related Hardware Products

Part Number Description
132544A147 Self-Locking Stud
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NCS10-2-20 Self-Locking Stud

Frequently Asked Questions

What is the FSCG of the NSN 5307-00-264-0256?
The FSCG of the NSN 5307-00-264-0256 is 5307
Does NSN 5307-00-264-0256 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 5307-00-264-0256 contain precious materials?
Item does not contain precious metal.
Does NSN 5307-00-264-0256 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 5307-00-264-0256 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Sun, Jul 15, 1973