5306-01-048-9907

Find complete technical information, availability, and procurement data for: 5306-01-048-9907
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-048-9907

Item Name Code

27851

Assigment Date

10/09/1977 (48 years ago)

A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes:nut (1), plain, castellated, hexagon.

right-hand thread direction, undercut hexagon head style, 0.445 inches minimum and 0.495 inches maximum thread length, 1.393 inches minimum and 1.423 inches maximum fastener length, 3a thread class

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: 0.445 inches minimum and 0.495 inches maximum
Fastener Length: 1.393 inches minimum and 1.423 inches maximum
Head Style: undercut hexagon
Head Height: 0.188 inches minimum and 0.203 inches maximum
Width Between Flats: 0.553 inches minimum and 0.564 inches maximum
Grip Diameter: 0.3735 inches minimum and 0.3745 inches maximum
Shank Unthreaded Hole Diameter: 0.106 inches minimum and 0.116 inches maximum first hole
Nominal Thread Diameter: 0.375 inches
Grip Length: 0.928 inches minimum and 0.948 inches maximum
Thread Quantity Per Inch: 24
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.222 inches minimum and 1.271 inches maximum first hole
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: steel comp 8740 or steel comp e4340 overall
Material Document And Classification: mil-s-6049 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or ams6322 assn std 2nd material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty2 cl3 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
BACB30NF6D15	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-048-9907?

The FSCG of the NSN 5306-01-048-9907 is 5306

Does the NSN 5306-01-048-9907 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-048-9907 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 5306-01-048-9907 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-048-9907 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 5306-01-048-9907 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sun, Oct 9, 1977