5306-01-388-2359

Find complete technical information, availability, and procurement data for: 5306-01-388-2359
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-388-2359

Item Name Code

04905

Assigment Date

03/25/1994 (32 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, 1.180 inches minimum and 1.200 inches maximum fastener length, right-hand thread direction, 0.680 inches nominal thread length, square 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: 0.680 inches nominal
Fastener Length: 1.180 inches minimum and 1.200 inches maximum
Head Style: square
Head Height: 0.115 inches minimum and 0.125 inches maximum
Width Between Flats: 0.490 inches minimum and 0.510 inches maximum
Shoulder Diameter: 0.2670 inches minimum and 0.2675 inches maximum first shoulder
Shoulder Length: 0.120 inches minimum and 0.130 inches maximum first shoulder
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Shoulder Shape: round first shoulder
Special Features: chamfered underside head 0.060 min,0.070 max in. cham
Material: steel overall
Material Document And Classification: c50tf13 cl-b, cagec 07482 mfr ref single material 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
1864M10P05	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-388-2359?

The FSCG of the NSN 5306-01-388-2359 is 5306

Does the NSN 5306-01-388-2359 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-388-2359 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 5306-01-388-2359 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-388-2359 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 5306-01-388-2359 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Mar 25, 1994