5305-01-291-0138

Find complete technical information, availability, and procurement data for: 5305-01-291-0138
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 5305-01-291-0138 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-291-0138

Item Name Code

01852

Assigment Date

12/21/1988 (37 years ago)

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes:screw, assembled washer.

0.313 inches nominal thread length, right-hand thread direction, 2a thread class, 0.859 inches minimum and 0.891 inches maximum fastener length, knurled no. 1 head style

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: 0.313 inches nominal
Fastener Length: 0.859 inches minimum and 0.891 inches maximum
Head Style: knurled no. 1
Head Diameter: 0.495 inches minimum and 0.500 inches maximum
Head Height: 0.546 inches minimum and 0.578 inches maximum
Point Length: 0.188 inches nominal
Point Diameter: 0.159 inches minimum and 0.175 inches maximum
First Diameter From Head: 0.170 inches minimum and 0.180 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.364 inches minimum and 0.384 inches maximum
Point Style: cone
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Externally Relieved Body Diameter Quantity: 1
Point Chamfer Angle: 85.0 degrees minimum and 95.0 degrees maximum
Material: steel comp 203ez or steel comp 303 or steel comp 303 plus x or steel comp 303cu or steel comp 303ma or steel comp 303pb or steel comp 303se or steel comp 416 or steel comp 416 plus x or steel comp 416se or steel comp 430f or steel comp 430fse overall
Material Document And Classification: mil-w-52263 mil spec 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: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-082-6761	No Name Available	08/31/2005
5305-01-296-0365	No Name Available	04/01/1991

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
10119091-123	Externally Relieved Body Screw
501C33-13	Externally Relieved Body Screw
6108-SS-2520	Externally Relieved Body Screw
6108-SS-2520-7	Externally Relieved Body Screw
70-1330065-41	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-291-0138?

The FSCG of the NSN 5305-01-291-0138 is 5305

Does the NSN 5305-01-291-0138 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-291-0138 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 5305-01-291-0138 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-291-0138 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 5305-01-291-0138 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Wed, Dec 21, 1988