645154

View detailed technical data, stock status, and sourcing information for: 645154
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5307 Studs

National Stock Number

5307-00-757-0143

Item Name Code

15945

Assigment Date

01/01/1962 (64 years ago)

3a stud thread thread class, 3a nut thread thread class, 0.750 inches minimum and 0.780 inches maximum stud thread thread length, right-hand nut thread thread direction, 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: 3a nut thread
Thread Class: 3a stud thread
Thread Direction: right-hand nut thread
Thread Direction: right-hand stud thread
Thread Length: 0.750 inches minimum and 0.780 inches maximum stud thread
Thread Length: 0.850 inches minimum and 0.880 inches maximum nut thread
Overall Length: 1.820 inches minimum and 1.880 inches maximum
Length Of Recessed Portion Of Shank: 0.190 inches nominal
Diameter Of Recessed Portion Of Shank: 0.290 inches minimum and 0.310 inches maximum
Thread Quantity Per Inch: 24 nut thread
Thread Quantity Per Inch: 24 stud thread
Hardness Rating: 28.0 rockwell c minimum and 32.0 rockwell c maximum
Nominal Thread Size: 0.375 inches nut thread
Nominal Thread Size: 0.375 inches stud thread
Special Features: extension stud end
Material: steel
Material Document And Classification: c50a-400 gr b16, cagec01289 mfr ref all material responses
Precious Material And Location: overall silver
Precious Material: silver
Surface Treatment: silver overall
Style Designator: recessed
Thread Series Designator: unf nut thread
Thread Series Designator: unf stud thread

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
645154	Recessed Stud

FAQs

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

What is the FSCG of the NSN 5307-00-757-0143?

The FSCG of the NSN 5307-00-757-0143 is 5307

Does NSN 5307-00-757-0143 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 5307-00-757-0143 contain precious materials?

Item contains silver.

Does NSN 5307-00-757-0143 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 5307-00-757-0143 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962