5305-01-381-2297

Find complete technical information, availability, and procurement data for: 5305-01-381-2297
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-381-2297

Item Name Code

33044

Assigment Date

10/11/1993 (32 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

3a thread class, right-hand thread direction, 0.548 inches minimum and 0.577 inches maximum fastener length, fillister head style, 0.297 inches minimum and 0.327 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: 3a
Thread Direction: right-hand
Thread Length: 0.297 inches minimum and 0.327 inches maximum
Fastener Length: 0.548 inches minimum and 0.577 inches maximum
Head Style: fillister
Head Diameter: 0.285 inches minimum and 0.315 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Material: iron alloy 660 fastener
Material: steel comp 302 spring
Material: steel comp 303se or steel comp 303 or steel comp 303 plus x or steel comp 303ma or steel comp 303pb stand-off
Material Document And Classification: ams5640 assn std 1st material response or astm a555 assn std 1st material response or ast-581 assn std 2nd material response stand-off
Material Document And Classification: astm a580 assn std 1st material response or astm a313 assn std 2nd material response spring
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
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
A320C036	Panel Screw Assembly
A320C036-101	Panel Screw Assembly
CA2808C3-9PK	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-381-2297?

The FSCG of the NSN 5305-01-381-2297 is 5305

Does the NSN 5305-01-381-2297 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-381-2297 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 5305-01-381-2297 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-381-2297 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 5305-01-381-2297 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Mon, Oct 11, 1993