5306-01-381-2191

Find complete technical information, availability, and procurement data for: 5306-01-381-2191
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-381-2191

Item Name Code

04905

Assigment Date

10/11/1993 (32 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

2.316 inches minimum and 2.356 inches maximum fastener length, right-hand thread direction, 3a thread class, 0.941 inches nominal thread length, 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: 0.941 inches nominal
Fastener Length: 2.316 inches minimum and 2.356 inches maximum
Head Style: hexagon
Head Height: 0.390 inches minimum and 0.422 inches maximum
Width Between Flats: 1.053 inches minimum and 1.066 inches maximum
Shoulder Diameter: 0.744 inches minimum and 0.749 inches maximum first shoulder
Shoulder Length: 1.385 inches minimum and 1.405 inches maximum first shoulder
Nominal Thread Diameter: 0.625 inches
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 145000 pounds per square inch
Shoulder Shape: round first shoulder
Material: steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 4130 overall
Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or mil-s-6098 mil spec 3rd material response or mil-s-6758 mil spec 4th material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl2 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
NAS1297-10-22	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-381-2191?

The FSCG of the NSN 5306-01-381-2191 is 5306

Does the NSN 5306-01-381-2191 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-381-2191 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 5306-01-381-2191 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-381-2191 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 5306-01-381-2191 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Mon, Oct 11, 1993