5306-01-421-9923

Find complete technical information, availability, and procurement data for: 5306-01-421-9923
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-421-9923

Item Name Code

15903

Assigment Date

11/19/1995 (30 years ago)

A pliable rubber or composition ring-shaped element, split or jointless (solid) not encased in a metal shell, but having a spring, spreader and/or molded-in reinforcement. It is designed to be pressmounted between fixed and movable or moving parts to form a tight and effective seal.

1.375 inches minimum and 1.405 inches maximum fastener length, 0.572 inches maximum thread length, 3a thread class, dished hexagon head style, 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: 0.572 inches maximum
Fastener Length: 1.375 inches minimum and 1.405 inches maximum
Head Style: dished hexagon
Head Height: 0.188 inches minimum and 0.203 inches maximum
Width Between Flats: 0.554 inches minimum and 0.564 inches maximum
Locking Feature: patch or strip threads
Grip Diameter: 0.3735 inches minimum and 0.3745 inches maximum
Nominal Thread Diameter: 0.375 inches
Grip Length: 0.802 inches minimum and 0.822 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 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 4340 or steel comp 8740 fastener
Material Document And Classification: mil-f-18240 mil spec single material response locking feature
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 fastener
Surface Treatment: cadmium and chromate fastener
Surface Treatment Document And Classification: qq-p-416, type 2, class 2 fed spec all treatment responses fastener
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas6606l13 professional/industrial association 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
NAS6606L13	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-421-9923?

The FSCG of the NSN 5306-01-421-9923 is 5306

Does the NSN 5306-01-421-9923 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-421-9923 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 5306-01-421-9923 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-421-9923 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 5306-01-421-9923 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Sun, Nov 19, 1995