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ST-1283 Stepped Stud

5307-01-104-8490

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Official Item Classification

Name
Stepped Stud
Part Number
ST-1283
(NSN) National Stock Number
5307-01-104-8490
(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
12/12/1980 (45 years ago)

+0.3354 to 0.3370 inches stud thread thread pitch diameters, 0.625 inches nominal stud thread thread length, 0.531 inches nominal nut thread thread length, 3a nut thread thread class, right-hand nut thread thread direction

Specs & Compatibility

Thread Class

3a nut thread

Thread Pitch Diameters

+0.3354 to 0.3370 inches stud thread

Thread Direction

right-hand nut thread

Thread Length

0.531 inches nominal nut thread

Thread Length

0.625 inches nominal stud thread

Shank Diameter

0.250 inches nominal

Overall Length

2.875 inches nominal

Distance From Cotter Pin Hole Centerline To Nut End

0.125 inches nominal first hole

Cotter Pin Hole Diameter

0.070 inches nominal first hole

Thread Quantity Per Inch

16 stud thread

Thread Quantity Per Inch

24 nut thread

Hardness Rating

26.0 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

Material

steel

Material Document And Classification

ems85010,fscm 24617 mfr ref single material response

Surface Treatment

cadmium nut thd

Surface Treatment

cadmium shank

Surface Treatment Document And Classification

ams 2400 assn std single treatment response shank

Surface Treatment Document And Classification

ams 2400 assn std single treatment response nut thd

Style Designator

stepped

Thread Series Designator

unf nut thread

Thread Series Designator

uns stud thread

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

0015949

Related Hardware Products

Part Number Description
ST-1283 Stepped Stud

Frequently Asked Questions

What is the FSCG of the NSN 5307-01-104-8490?
The FSCG of the NSN 5307-01-104-8490 is 5307
Does NSN 5307-01-104-8490 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 5307-01-104-8490 contain precious materials?
Item does not contain precious metal.
Does NSN 5307-01-104-8490 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 5307-01-104-8490 was assigned to the Federal Catalog?
It was assigned 45 years ago, on Fri, Dec 12, 1980