5305-01-375-7156

Find complete technical information, availability, and procurement data for: 5305-01-375-7156
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-375-7156

Item Name Code

33044

Assigment Date

05/20/1993 (33 years ago)

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

1.572 inches maximum fastener length, 3a thread class, hexagon extended washer head style, 0.240 inches nominal head height, 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
Fastener Length: 1.572 inches maximum
Head Style: hexagon extended washer
Head Height: 0.240 inches nominal
Width Between Flats: 0.367 inches minimum and 0.376 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.1875 inches minimum and 0.1895 inches maximum
Thread Quantity Per Inch: 28
Material: steel comp 302 springiron alloy 660 stand-offiron alloy 660 fastener
Material Document And Classification: qq-w-423 cond b fed spec single material response springams 5737 assn std single material response stand-offams 5737 assn std single material response fastener
Surface Treatment: passivate stand-offpassivate fastener
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response stand-offqq-p-35 fed spec single treatment response fastener
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
7103655-001	Panel Screw Assembly
CA30093-4	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-375-7156?

The FSCG of the NSN 5305-01-375-7156 is 5305

Does the NSN 5305-01-375-7156 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-375-7156 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 5305-01-375-7156 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-375-7156 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 5305-01-375-7156 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Thu, May 20, 1993