5305-00-682-5876

Find complete technical information, availability, and procurement data for: 5305-00-682-5876
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-682-5876

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.

0.404 inches minimum and 0.486 inches maximum thread length, 2a thread class, right-hand thread direction, round head style, 0.500 inches nominal fastener length

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: 0.404 inches minimum and 0.486 inches maximum
Fastener Length: 0.500 inches nominal
Head Style: round
Head Diameter: 0.217 inches minimum and 0.236 inches maximum
Head Height: 0.083 inches minimum and 0.095 inches maximum
Washer Quantity: 1
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.125 inches
Thread Quantity Per Inch: 44
Hardness Rating: 40.0 rockwell c minimum and 50.0 rockwell c maximum primary washer
Primary Washer Outside Diameter: 0.245 inches minimum and 0.255 inches maximum
Primary Washer Style: flat external teeth
Primary Washer Material Thickness: 0.014 inches minimum and 0.020 inches maximum
Surface Treatment: cadmium or zinc overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec 1st treatment response or qq-z-325,ty 1,cl 3 fed spec 2nd treatment response overall
Thread Series Designator: unf

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
424301	Assembled Washer Screw
5305006825876	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-682-5876?

The FSCG of the NSN 5305-00-682-5876 is 5305

Does NSN 5305-00-682-5876 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 5305-00-682-5876 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-682-5876 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 5305-00-682-5876 was assigned to the Federal Catalog?

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