66673-1281

View detailed technical data, stock status, and sourcing information for: 66673-1281
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-333-6389

Item Name Code

06676

Assigment Date

02/08/1991 (35 years ago)

2a thread class, 0.735 inches nominal fastener length, right-hand thread direction, dished hexagon head style, 0.580 inches nominal thread 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: 0.580 inches nominal
Fastener Length: 0.735 inches nominal
Head Style: dished hexagon
Head Height: 0.070 inches nominal
Width Between Flats: 0.302 inches minimum and 0.312 inches maximum
Concentric Hole Diameter: 0.171 inches minimum and 0.177 inches maximum
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 40
Special Features: point of item is oval 0.054 in. long with a radius 0.042 in.; on od of item has a slot 0.380 in. min long for locking
Material: steel comp 303 overall
Material Document And Classification: astm a582 assn std single material response overall
Style Designator: concentric hole unthreaded
Thread Series Designator: uns

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
66673-1281	Internally Relieved Body Bolt
66673-1281-001	Internally Relieved Body Bolt
717511281-001	Internally Relieved Body Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-333-6389?

The FSCG of the NSN 5306-01-333-6389 is 5306

Does the NSN 5306-01-333-6389 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-333-6389 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 5306-01-333-6389 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-333-6389 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 5306-01-333-6389 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Fri, Feb 8, 1991