13057-5

View detailed technical data, stock status, and sourcing information for: 13057-5
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-033-2965

Item Name Code

06660

Assigment Date

01/01/1961 (65 years ago)

A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

round head style, 2a thread class, right-hand thread direction, 0.250 inches maximum thread length, 0.312 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: 0.250 inches maximum
Fastener Length: 0.312 inches nominal
Head Style: round
Head Diameter: 0.240 inches minimum and 0.260 inches maximum
Head Height: 0.091 inches minimum and 0.103 inches maximum
Washer Quantity: 1
Internal Drive Style: torque
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Primary Washer Outside Diameter: 0.240 inches minimum and 0.260 inches maximum
Primary Washer Style: split helical ring
Primary Washer Material Thickness: 0.031 inches nominal
Material: copper alloy overall
Material Document And Classification: qq-b-611,comp b,temper 1/2 hard fed spec single material response 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
13057-5	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-033-2965?

The FSCG of the NSN 5305-00-033-2965 is 5305

Does the NSN 5305-00-033-2965 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-00-033-2965 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 5305-00-033-2965 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-033-2965 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 5305-00-033-2965 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961