5305-01-581-4783

Find complete technical information, availability, and procurement data for: 5305-01-581-4783
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-581-4783

Item Name Code

29294

Assigment Date

01/19/2010 (16 years ago)

A washer, round in shape, and having a centrally located hole. Its two flat parallel bearing surfaces are divided or cut along the radius, leaving a cleft, fissure, or cutaway portion across the rim whch extends from the outer circumference to the washer hole but which is never as large as the washer hole diameter. Excludes:washer (1), lock.

right-hand thread direction, 1.562 inches minimum and 1.592 inches maximum fastener length, 0.384 inches minimum and 0.394 inches maximum thread length, 3a thread class, pan head style

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: 0.384 inches minimum and 0.394 inches maximum
Fastener Length: 1.562 inches minimum and 1.592 inches maximum
Head Style: pan
Head Diameter: 0.473 inches minimum and 0.492 inches maximum
Head Height: 0.162 inches minimum and 0.175 inches maximum
Grip Diameter: 0.2479 inches minimum and 0.2495 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.250 inches
Grip Length: 1.178 inches minimum and 1.198 inches maximum
Thread Quantity Per Inch: 28
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: iron alloy 660 overall
Material Document And Classification: ams 5737 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: amsqq-p-416, ty ii, cl 2 assn std single treatment response overall
Thread Series Designator: unjf

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
BACB30LK4-19	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-581-4783?

The FSCG of the NSN 5305-01-581-4783 is 5305

Does the NSN 5305-01-581-4783 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-581-4783 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 5305-01-581-4783 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-581-4783 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 5305-01-581-4783 was assigned to the Federal Catalog?

It was assigned 16 years ago, on Tue, Jan 19, 2010