5306-01-071-6489

Find complete technical information, availability, and procurement data for: 5306-01-071-6489
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-071-6489

Item Name Code

27851

Assigment Date

02/13/1979 (47 years ago)

0.400 inches minimum and 0.450 inches maximum thread length, 0.722 inches minimum and 0.752 inches maximum fastener length, 3a thread class, right-hand thread direction, undercut 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: 0.400 inches minimum and 0.450 inches maximum
Fastener Length: 0.722 inches minimum and 0.752 inches maximum
Head Style: undercut hexagon
Head Height: 0.125 inches minimum and 0.140 inches maximum
Width Between Flats: 0.430 inches minimum and 0.439 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.302 inches minimum and 0.322 inches maximum
Thread Quantity Per Inch: 28
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Special Features: plastic polyamide patch-type element on threads
Material: steel comp e4340 or steel comp 8740 overall
Material Document And Classification: mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams 6322 assn std 2nd material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 3 fed spec single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 81205-bacb30ne manufacturers standard

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
BACB30NE4P5	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-071-6489?

The FSCG of the NSN 5306-01-071-6489 is 5306

Does the NSN 5306-01-071-6489 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-071-6489 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 5306-01-071-6489 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-071-6489 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 5306-01-071-6489 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Tue, Feb 13, 1979