5306-01-053-6977

Find complete technical information, availability, and procurement data for: 5306-01-053-6977
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-053-6977

Item Name Code

27851

Assigment Date

01/09/1978 (48 years ago)

right-hand thread direction, 0.364 inches minimum and 0.414 inches maximum thread length, undercut hexagon head style, 3a thread class, 1.624 inches minimum and 1.654 inches maximum 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: 3a
Thread Direction: right-hand
Thread Length: 0.364 inches minimum and 0.414 inches maximum
Fastener Length: 1.624 inches minimum and 1.654 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: 1.240 inches minimum and 1.260 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 140000 pounds per square inch
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: steel comp e4340 or steel comp 4340 or steel comp 8740 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response overall
Thread Series Designator: unjf

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
BACB30NF4-20	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-053-6977?

The FSCG of the NSN 5306-01-053-6977 is 5306

Does the NSN 5306-01-053-6977 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-053-6977 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 5306-01-053-6977 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-053-6977 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 5306-01-053-6977 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Mon, Jan 9, 1978