1-140-244-01

View detailed technical data, stock status, and sourcing information for: 1-140-244-01
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-897-5278

Item Name Code

01847

Assigment Date

01/01/1962 (64 years ago)

An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.

0.375 inches maximum thread length, right-hand thread direction, 2a thread class, hexagon head style, 0.375 inches nominal fastener length

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
Thread Direction: right-hand
Thread Length: 0.375 inches maximum
Fastener Length: 0.375 inches nominal
Head Style: hexagon
Head Height: 0.125 inches nominal
Width Between Flats: 0.367 inches minimum and 0.376 inches maximum
Nominal Thread Diameter: 0.190 inches
Features Provided: finished head
Thread Quantity Per Inch: 32
Hardness Rating: 88.0 rockwell b nominal overall
Surface Finish: 32.0 microinches threads
Surface Finish: 63.0 microinches bearing surface of head
Material: steel comp 321 overall
Material Document And Classification: ams 5645 assn std single material response overall
Precious Material: silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: ams 2410 assn std single treatment response overall
Thread Series Designator: unf

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
1-140-244-01	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-897-5278?

The FSCG of the NSN 5306-00-897-5278 is 5306

Does the NSN 5306-00-897-5278 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-897-5278 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 5306-00-897-5278 contain precious materials?

Item contains silver.

Does NSN 5306-00-897-5278 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 5306-00-897-5278 was assigned to the Federal Catalog?

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