5306-01-421-1978

Find complete technical information, availability, and procurement data for: 5306-01-421-1978
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-421-1978

Item Name Code

01847

Assigment Date

11/03/1995 (30 years ago)

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes:ring, connecting, round.

right-hand thread direction, 7.804 inches maximum thread length, crowned hexagon head style, 3a thread class, 7.875 inches minimum and 7.897 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: 7.804 inches maximum
Fastener Length: 7.875 inches minimum and 7.897 inches maximum
Head Style: crowned hexagon
Head Height: 0.141 inches nominal
Width Between Flats: 0.428 inches minimum and 0.442 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 125000 pounds per square inch
Material: steel comp 4037 or steel comp 4130 or steel comp 4140 or steel comp 8630 or steel comp 8735 or steel comp 8740 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416, type 2 class 2 fed spec all treatment responses overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas428 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
NAS428-4-76	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-421-1978?

The FSCG of the NSN 5306-01-421-1978 is 5306

Does the NSN 5306-01-421-1978 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-421-1978 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 5306-01-421-1978 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-421-1978 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 5306-01-421-1978 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Nov 3, 1995