5305-01-250-0631

Find complete technical information, availability, and procurement data for: 5305-01-250-0631
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 5305-01-250-0631 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

5305-01-250-0631

Item Name Code

06657

Assigment Date

02/24/1987 (39 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.

right-hand thread direction, 0.245 inches minimum and 0.255 inches maximum fastener length, 2a thread class, flat countersunk head style, 0.171 inches minimum and 0.212 inches maximum thread 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: 0.171 inches minimum and 0.212 inches maximum
Fastener Length: 0.245 inches minimum and 0.255 inches maximum
Head Style: flat countersunk
Head Diameter: 0.130 inches minimum and 0.146 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.073 inches
Thread Quantity Per Inch: 64
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Screw Material: steel comp 303 or steel comp 303se
Screw Material Document And Classification: astm a582 assn std all material responses
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35,ty 4 fed spec single treatment response
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
MS14065	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-250-0631?

The FSCG of the NSN 5305-01-250-0631 is 5305

Does the NSN 5305-01-250-0631 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-250-0631 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 5305-01-250-0631 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-250-0631 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 5305-01-250-0631 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, Feb 24, 1987