010021

View detailed technical data, stock status, and sourcing information for: 010021

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010021
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5307 Studs
National Stock Number
5307-00-558-5543
Item Name Code
15948
Assigment Date
01/01/1961 (65 years ago)

2a nut thread thread class, 0.562 inches minimum nut thread thread length, right-hand nut thread thread direction, 2a stud thread thread class, right-hand stud thread thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
2a nut thread
Thread Class
2a stud thread
Thread Direction
right-hand nut thread
Thread Direction
right-hand stud thread
Thread Length
0.562 inches minimum nut thread
Thread Length
0.750 inches maximum stud thread
Overall Length
1.938 inches nominal
Thread Quantity Per Inch
18 stud thread
Thread Quantity Per Inch
24 nut thread
Hardness Rating
36.0 rockwell c minimum and 44.0 rockwell c maximum
Nominal Thread Size
0.312 inches nut thread
Nominal Thread Size
0.312 inches stud thread
Material
steel comp 3135 or steel comp 4140
Thread Series Designator
unc stud thread
Thread Series Designator
unf nut thread

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5307-00-025-7955 No Name Available 01/01/1963
5307-00-358-3526 No Name Available 01/01/1963

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
010021 Plain Stud
520-0078 Plain Stud
520A78 Plain Stud

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5307-00-558-5543?
The FSCG of the NSN 5307-00-558-5543 is 5307
Does NSN 5307-00-558-5543 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 5307-00-558-5543 contain precious materials?
Precious metal content is unknown
Does NSN 5307-00-558-5543 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 5307-00-558-5543 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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