A77053

View detailed technical data, stock status, and sourcing information for: A77053
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-208-1577

Item Name Code

01847

Assigment Date

01/01/1963 (63 years ago)

3.438 inches maximum fastener length, 3a thread class, right-hand thread direction, 1.250 inches maximum thread length, hexagon head style

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
Thread Direction: right-hand
Thread Length: 1.250 inches maximum
Fastener Length: 3.438 inches maximum
Head Style: hexagon
Head Height: 0.445 inches minimum and 0.493 inches maximum
Width Between Flats: 1.125 inches nominal
Nominal Thread Diameter: 0.750 inches
Grip Length: 2.188 inches nominal
Features Provided: finished head
Thread Quantity Per Inch: 16
Hardness Rating: 27.0 rockwell c minimum and 35.0 rockwell c maximum overall
Minimum Yield Strength: 100000 pounds per square inch
Special Features: undercut 1/8 in. radius,0.658 in. to 0.688 in. dia between thd and unthd portions of shank
Material: nickel alloy k-500 overall
Material Document And Classification: qq-n-286,cl a fed spec single material 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
A77053	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-208-1577?

The FSCG of the NSN 5306-00-208-1577 is 5306

Does the NSN 5306-00-208-1577 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5306-00-208-1577 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 5306-00-208-1577 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-208-1577 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 5306-00-208-1577 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963