5306-01-320-1176

Find complete technical information, availability, and procurement data for: 5306-01-320-1176
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-320-1176

Item Name Code

15903

Assigment Date

05/19/1990 (36 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

3a thread class, 0.582 inches nominal thread length, double hexagon w/hole head style, 1.577 inches minimum and 1.597 inches maximum fastener length, left-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: left-hand
Thread Length: 0.582 inches nominal
Fastener Length: 1.577 inches minimum and 1.597 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: 0.081 inches minimum and 0.083 inches maximum
Grip Diameter: 0.219 inches minimum and 0.312 inches maximum
End Item Identification: ah-64a
Nominal Thread Diameter: 0.313 inches
Grip Length: 0.860 inches minimum and 0.890 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 125000 pounds per square inch
Material: nickel alloy 718 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
92167-5-14	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-320-1176?

The FSCG of the NSN 5306-01-320-1176 is 5306

Does the NSN 5306-01-320-1176 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5306-01-320-1176 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 5306-01-320-1176 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-320-1176 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 5306-01-320-1176 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Sat, May 19, 1990