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240645 Self-Locking Stud

5307-00-505-9272

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Official Item Classification

Name
Self-Locking Stud
Part Number
240645
(NSN) National Stock Number
5307-00-505-9272
(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
02/24/1967 (59 years ago)

0.476 inches minimum and 0.478 inches maximum head length, 3a nut thread thread class, right-hand nut thread thread direction, 0.220 inches minimum and 0.300 inches maximum nut thread thread length, 0.342 inches minimum and 0.348 inches maximum head diameter

Specs & Compatibility

Thread Class

3a nut thread

Thread Direction

right-hand nut thread

Thread Length

0.220 inches minimum and 0.300 inches maximum nut thread

Head Diameter

0.342 inches minimum and 0.348 inches maximum

Head Length

0.476 inches minimum and 0.478 inches maximum

Locking Feature

self-clinching head

Overall Length

1.360 inches minimum and 1.374 inches maximum

Distance From Cotter Pin Hole Centerline To Nut End

0.252 inches minimum and 0.288 inches maximum first hole

Cotter Pin Hole Diameter

0.065 inches minimum and 0.072 inches maximum first hole

Distance Across Flats

0.400 inches minimum and 0.420 inches maximum

Thread Quantity Per Inch

24 nut thread

Hardness Rating

35.0 rockwell c minimum and 40.0 rockwell c maximum

Nominal Thread Size

0.312 inches nut thread

Material

steel comp 615

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

unf nut thread

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

0027783

Related Hardware Products

Part Number Description
240645 Self-Locking Stud

Frequently Asked Questions

What is the FSCG of the NSN 5307-00-505-9272?
The FSCG of the NSN 5307-00-505-9272 is 5307
Does NSN 5307-00-505-9272 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 5307-00-505-9272 contain precious materials?
Precious metal content is unknown
Does NSN 5307-00-505-9272 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 5307-00-505-9272 was assigned to the Federal Catalog?
It was assigned 59 years ago, on Fri, Feb 24, 1967