5305-01-581-4778

Find complete technical information, availability, and procurement data for: 5305-01-581-4778
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-581-4778

Item Name Code

29294

Assigment Date

01/19/2010 (16 years ago)

A protective covering specially designed to be mounted on an aircraft, ground vehicle, marine surface/subsurface craft, and/or fire control equipment. It protects from small arms or anti-aircraft fire or exploding-mine fragments. It may be made from metallic or nonmetallic material, either in sections or in one piece. It may have integral fittings for installation. Excludes: aretallic material, either in sections or in one piece. It may have integral fmor plate; body armor,fragmentation protective and cloth,ballistic.

0.384 inches minimum and 0.394 inches maximum thread length, 3a thread class, pan head style, 1.249 inches minimum and 1.279 inches maximum 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: 3a
Thread Direction: right-hand
Thread Length: 0.384 inches minimum and 0.394 inches maximum
Fastener Length: 1.249 inches minimum and 1.279 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: 0.2481 inches minimum and 0.2495 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.865 inches minimum and 0.885 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: aluminum overall
Surface Treatment Document And Classification: bms 10-85, type 1, class a 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
BACB30LK4K14	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-581-4778?

The FSCG of the NSN 5305-01-581-4778 is 5305

Does the NSN 5305-01-581-4778 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-581-4778 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 5305-01-581-4778 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-581-4778 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 5305-01-581-4778 was assigned to the Federal Catalog?

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