5305-01-424-5256

Find complete technical information, availability, and procurement data for: 5305-01-424-5256
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-424-5256

Item Name Code

06673

Assigment Date

01/30/1996 (30 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

knurled no. 4 head style, 3.018 inches nominal fastener length, 2.344 inches nominal thread length, right-hand thread direction, 2a thread class

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: 2.344 inches nominal
Fastener Length: 3.018 inches nominal
Head Style: knurled no. 4
Head Diameter: 1.250 inches nominal
Head Height: 0.500 inches nominal
Point Length: 0.394 inches nominal
Point Style: ball
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 13
Color: yellow overall
Material: steel comp 12l14 overall
Surface Treatment: zinc and chromate 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
CL-63-SHS	Thumbscrew

FAQs

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

What is the FSCG of the NSN 5305-01-424-5256?

The FSCG of the NSN 5305-01-424-5256 is 5305

Does the NSN 5305-01-424-5256 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-424-5256 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 5305-01-424-5256 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-424-5256 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 5305-01-424-5256 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Tue, Jan 30, 1996