5305-01-237-4994

Find complete technical information, availability, and procurement data for: 5305-01-237-4994
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-237-4994

Item Name Code

06657

Assigment Date

07/31/1986 (40 years ago)

An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.

0.219 inches minimum and 0.250 inches maximum fastener length, flat countersunk head style, 0.147 inches minimum and 0.221 inches maximum 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: 0.147 inches minimum and 0.221 inches maximum
Fastener Length: 0.219 inches minimum and 0.250 inches maximum
Head Style: flat countersunk
Head Diameter: 0.156 inches minimum and 0.172 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.086 inches
Thread Quantity Per Inch: 56
Minimum Tensile Strength: 80000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel comp 302 or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 309 or steel comp 310 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 322 or steel comp 324 or steel comp 347
Screw Material Document And Classification: qq-s-763 fed spec all material responses
Screw Surface Treatment: oxide
Screw Surface Treatment Document And Classification: mil-c-13924 class 2 mil spec single treatment response
Color: black
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
2504732-62	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-237-4994?

The FSCG of the NSN 5305-01-237-4994 is 5305

Does the NSN 5305-01-237-4994 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-237-4994 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 5305-01-237-4994 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-237-4994 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 5305-01-237-4994 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Thu, Jul 31, 1986