5307-01-320-4090

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Self-Locking Stud

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Official Item Classification

Name: Self-Locking Stud
(NSN) National Stock Number: 5307-01-320-4090
(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: 05/24/1990 (36 years ago)

0.231 inches minimum and 0.241 inches maximum head length, 2a thread class, right-hand thread direction, 0.370 inches minimum and 0.380 inches maximum thread length, 0.197 inches minimum and 0.201 inches maximum head diameter

Specs & Compatibility

Thread Class

Thread Direction

right-hand

Thread Length

0.370 inches minimum and 0.380 inches maximum

Head Diameter

0.197 inches minimum and 0.201 inches maximum

Head Length

0.231 inches minimum and 0.241 inches maximum

Locking Feature

self-clinching head

Overall Length

0.631 inches nominal

Distance Across Flats

0.240 inches minimum and 0.260 inches maximum

Thread Quantity Per Inch

Nominal Thread Size

0.138 inches

Material

steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305

Surface Treatment

passivate overall

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response overall

Style Designator

self-locking

Thread Series Designator

unc

Regulatory Compliance

Precious Metals Indicator

Item does not contain precious metal.

Criticality Code

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator

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
2243185P99	Self-Locking Stud

Frequently Asked Questions

What is the FSCG of the NSN 5307-01-320-4090?

The FSCG of the NSN 5307-01-320-4090 is 5307

Does NSN 5307-01-320-4090 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 5307-01-320-4090 contain precious materials?

Item does not contain precious metal.

Does NSN 5307-01-320-4090 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 5307-01-320-4090 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Thu, May 24, 1990