5305-01-438-5211

Find complete technical information, availability, and procurement data for: 5305-01-438-5211
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-438-5211

Item Name Code

06657

Assigment Date

11/09/1996 (29 years ago)

A clamp in which the body (band or wire) completely encircles an item and distributes a relatively even amount of pressure throughout the entire 360 degrees (6.282 radians) of the periphery of the item to be compressed. Its compression quality is dependent upon an integral screw mechanism, (screw, bolt spring compression and the like mechanical fasteners), or it may be applied by a device not integral with the clamp itself. It is specifically designed to prevent leakage between a hose and its attaching connection(s) when the body of the clamp is round or circular. For square, rectangular, or irregularly shaped items, see clamp, hose, special-shaped. Excludes:clamp, electrical; clamp, loop; clamp, fire hose, shutoff; ferrule (as modified); and hand screw.

2a thread class, hexagon head style, 1.250 inches maximum thread length, 1.250 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: 2a
Thread Direction: right-hand
Thread Length: 1.250 inches maximum
Fastener Length: 1.250 inches nominal
Head Style: hexagon
Head Height: 0.270 inches minimum and 0.295 inches maximum
Width Between Flats: 0.551 inches minimum and 0.562 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 24
Screw Material: steel
Screw Surface Treatment: cadmium and chromate
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
12387271-129	Machine Screw
MS51849-129	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-438-5211?

The FSCG of the NSN 5305-01-438-5211 is 5305

Does the NSN 5305-01-438-5211 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-438-5211 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 5305-01-438-5211 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-438-5211 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 5305-01-438-5211 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Sat, Nov 9, 1996