5306-01-081-8528

Find complete technical information, availability, and procurement data for: 5306-01-081-8528
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-081-8528

Item Name Code

15903

Assigment Date

08/21/1979 (47 years ago)

An insulator that is essentially thin and flat, with one through hole centrally located. The general shape may vary by the addition of features such as beveled edges, indented surfaces, through hole keys, and/or peripheral flats. The thickness measured between the two parallel bearing surfaces must not exceed 25 percent of the outside diameter or the shortest distance between peripheral flats. The thickness measured between the two parallel bearing surfaces must not exceed 25 percent of the outside diameter or the shortest distance between peripheral flats. Excludes:items with more than one hole. See also insulator, disk; insulator, bead; insulator, bushing; and insulator, plate

1.950 inches minimum and 1.980 inches maximum fastener length, double hexagon w/hole head style, 0.565 inches minimum and 0.615 inches maximum thread length, right-hand thread direction, 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: 0.565 inches minimum and 0.615 inches maximum
Fastener Length: 1.950 inches minimum and 1.980 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.338 inches minimum and 0.358 inches maximum
Width Between Flats: 0.367 inches minimum and 0.376 inches maximum
Extended Washer Diameter: 0.521 inches minimum and 0.531 inches maximum
Extended Washer Thickness: 0.072 inches minimum and 0.092 inches maximum
Grip Diameter: 0.3110 inches minimum and 0.3120 inches maximum
Nominal Thread Diameter: 0.312 inches
Grip Length: 1.365 inches minimum and 1.385 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 220000 pounds per square inch
Material: steel comp h11 overall
Material Document And Classification: stsbs002,fscm 80539 mfr ref single material response overall
Surface Treatment: nickel and cadmium and chromate overall
Surface Treatment Document And Classification: stsbs002,fscm 80539 mfr ref single treatment response overall
Thread Series Designator: unjf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-01-331-5790	No Name Available	05/01/1993

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
68486-5-22	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-081-8528?

The FSCG of the NSN 5306-01-081-8528 is 5306

Does the NSN 5306-01-081-8528 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-081-8528 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 5306-01-081-8528 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-081-8528 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 5306-01-081-8528 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Tue, Aug 21, 1979