A26881-50

View detailed technical data, stock status, and sourcing information for: A26881-50
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-163-2753

Item Name Code

06666

Assigment Date

11/03/1971 (54 years ago)

0.550 inches minimum and 0.562 inches maximum head diameter, 1.969 inches minimum and 2.031 inches maximum fastener length, 3a thread class, 0.969 inches minimum and 1.344 inches maximum thread length, right-hand 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
Thread Direction: right-hand
Thread Length: 0.969 inches minimum and 1.344 inches maximum
Fastener Length: 1.969 inches minimum and 2.031 inches maximum
Head Diameter: 0.550 inches minimum and 0.562 inches maximum
Head Height: 0.368 inches minimum and 0.375 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.375 inches
Width Across Flats: 0.312 inches minimum and 0.316 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 180000 pounds per square inch
Special Features: nylon pellet in threads
Material: steel overall
Material Document And Classification: sae gr 8 assn std 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
A26881-50	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-163-2753?

The FSCG of the NSN 5306-00-163-2753 is 5306

Does the NSN 5306-00-163-2753 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-163-2753 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 5306-00-163-2753 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-163-2753 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 5306-00-163-2753 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Nov 3, 1971