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311328 Shouldered Stud

5307-00-121-2757

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Official Item Classification

Name
Shouldered Stud
Part Number
311328
(NSN) National Stock Number
5307-00-121-2757
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5307 Studs
(INC) Item Name Code
15946
(FIIG) Federal Item Identification Guide
A051A0
Date
10/23/1968 (57 years ago)

2a stud thread thread class, 2a nut thread thread class, 0.406 inches nominal stud thread thread length, right-hand nut thread thread direction, right-hand stud thread thread direction

Specs & Compatibility

Thread Class

2a nut thread

Thread Class

2a stud thread

Thread Direction

right-hand nut thread

Thread Direction

right-hand stud thread

Thread Length

0.406 inches nominal stud thread

Thread Length

0.750 inches nominal nut thread

Shoulder Length

0.219 inches nominal

Overall Length

1.375 inches nominal

Nut End Shank Length

0.125 inches nominal

Distance Across Flats

0.438 inches nominal

Thread Quantity Per Inch

20 nut thread

Thread Quantity Per Inch

20 stud thread

Hardness Rating

24.0 rockwell c minimum and 34.0 rockwell c maximum

Nominal Thread Size

0.250 inches nut thread

Nominal Thread Size

0.250 inches stud thread

Nut End Shank Diameter

0.250 inches nominal

Part Name Assigned By Controlling Agency

navy special project

Material

steel comp 1038

Material Document And Classification

aisi assn std single material response

Style Designator

shouldered

Thread Series Designator

unc nut thread

Thread Series Designator

unc stud thread

Replacement For

Part Number Description
5307-01-278-2074 No Name Available 09/01/1990

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

0015946

Related Hardware Products

Part Number Description
311328 Shouldered Stud

Frequently Asked Questions

What is the FSCG of the NSN 5307-00-121-2757?
The FSCG of the NSN 5307-00-121-2757 is 5307
Does NSN 5307-00-121-2757 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 5307-00-121-2757 contain precious materials?
Item does not contain precious metal.
Does NSN 5307-00-121-2757 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 5307-00-121-2757 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Wed, Oct 23, 1968