5305-00-942-5136

Find complete technical information, availability, and procurement data for: 5305-00-942-5136
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-942-5136

Item Name Code

06672

Assigment Date

01/02/1966 (60 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.)

3a thread class, headless (setscrew) head style, 1.000 inches maximum thread length, 1.000 inches nominal fastener length, 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: 3a
Thread Direction: right-hand
Thread Length: 1.000 inches maximum
Fastener Length: 1.000 inches nominal
Head Style: headless (setscrew)
Locking Feature: pellet or strip threads
Point Style: cone
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.125 inches minimum and 0.127 inches maximum
Thread Quantity Per Inch: 28
Material: steel comp 302 or steel comp 303 or steel comp 304 or steel comp 316 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single 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
LK1081C4B16	Setscrew
NAS1081C4B16	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-942-5136?

The FSCG of the NSN 5305-00-942-5136 is 5305

Does the NSN 5305-00-942-5136 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-942-5136 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 5305-00-942-5136 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-942-5136 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 5305-00-942-5136 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Sun, Jan 2, 1966