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390001 Stepped Stud

5307-00-145-0521

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Official Item Classification

Name
Stepped Stud
Part Number
390001
(NSN) National Stock Number
5307-00-145-0521
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5307 Studs
(INC) Item Name Code
15949
(FIIG) Federal Item Identification Guide
A051A0
Date
01/01/1963 (63 years ago)

+0.3435 to 0.3451 inches stud thread thread pitch diameters, right-hand nut thread thread direction, 3a nut thread thread class, right-hand stud thread thread direction, 0.370 inches minimum stud thread thread length

Specs & Compatibility

Thread Class

3a nut thread

Thread Pitch Diameters

+0.3435 to 0.3451 inches stud thread

Thread Direction

right-hand nut thread

Thread Direction

right-hand stud thread

Thread Length

0.370 inches minimum stud thread

Thread Length

0.438 inches minimum nut thread

Shank Diameter

0.312 inches nominal

Overall Length

1.418 inches nominal

Thread Quantity Per Inch

16 stud thread

Thread Quantity Per Inch

24 nut thread

Hardness Rating

28.0 rockwell c minimum and 32.0 rockwell c maximum

Nominal Thread Size

0.312 inches nut thread

Nominal Thread Size

0.375 inches stud thread

Surface Finish

100.0 microinches stud thd

Surface Finish

100.0 microinches nut thd

Surface Finish

40.0 microinches shank

Special Features

stud end thread 0.003 in. oversize. stud end thread must be rolled thread

Material

steel comp 8630 or steel comp 4130 or steel comp 8740

Surface Treatment

cadmium overall

Surface Treatment Document And Classification

ams 2400 assn std single treatment response overall

Style Designator

stepped

Thread Series Designator

unf nut thread

Thread Series Designator

uns stud thread

Replacement For

Part Number Description
5307-00-533-9915 No Name Available 01/01/1963

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

0015949

Related Hardware Products

Part Number Description
390001 Stepped Stud

Frequently Asked Questions

What is the FSCG of the NSN 5307-00-145-0521?
The FSCG of the NSN 5307-00-145-0521 is 5307
Does NSN 5307-00-145-0521 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 5307-00-145-0521 contain precious materials?
Precious metal content is unknown
Does NSN 5307-00-145-0521 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 5307-00-145-0521 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963