5305-00-281-3145

Find complete technical information, availability, and procurement data for: 5305-00-281-3145
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-281-3145

Item Name Code

06660

Assigment Date

01/01/1963 (63 years ago)

A locking device which is serrated on the inside and outside diameters. It may have outer serrations omitted on one or two sides for close edge installation. The inner serrations engage the mating serrations of bolts, inserts, nuts, studs or similar items to be locked in place. The outer serrations broach their way into parent material when driven or pressed into place.

0.562 inches minimum thread length, 2a thread class, 0.625 inches nominal fastener length, pan no. 2 head style, right-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: 2a
Thread Direction: right-hand
Thread Length: 0.562 inches minimum
Fastener Length: 0.625 inches nominal
Head Style: pan no. 2
Head Diameter: 0.357 inches minimum and 0.373 inches maximum
Head Height: 0.099 inches minimum and 0.110 inches maximum
Washer Quantity: 1
Internal Drive Style: slot
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 24
Primary Washer Outside Diameter: 0.370 inches minimum and 0.381 inches maximum
Primary Washer Style: flat external teeth
Primary Washer Material Thickness: 0.020 inches nominal
Material: steel comp 1010 fastener
Material: steel primary washer
Material Document And Classification: mil-s-11310 mil spec single material response fastener
Surface Treatment: cadmium overall
Thread Series Designator: unc

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
302948	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-281-3145?

The FSCG of the NSN 5305-00-281-3145 is 5305

Does the NSN 5305-00-281-3145 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-281-3145 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 5305-00-281-3145 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-281-3145 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 5305-00-281-3145 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963