NAS1581K4R11G

View detailed technical data, stock status, and sourcing information for: NAS1581K4R11G
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-659-3229

Item Name Code

29294

Assigment Date

11/17/2016 (9 years ago)

An item carried on the individual's back secured by shoulder straps and/or straps attached to a carrying frame. Includes items designed to be hung from one shoulder or fastened to other equipment. It is designed to carry existence loads such as clothing, rations, and individual items, and may have separate pouches or pockets for additional items or individual equipment, ammunition and the like.

0.403 inches nominal thread length, 0.715 inches nominal fastener length, flat countersunk head style, right-hand thread direction, 3a thread class

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: 0.403 inches nominal
Fastener Length: 0.715 inches nominal
Head Style: flat countersunk
Head Diameter: 0.3988 inches nominal
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style: torque-set ribbed
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.312 inches nominal
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 3200 pounds per square inch
Countersink Angle: 99.0 degrees minimum
Part Name Assigned By Controlling Agency: screw, close tolerance
Material: titanium overall
Material Document And Classification: ams4928 assn std single material response and ams4967 assn std single material response overall
Surface Treatment: aluminum overall
Surface Treatment Document And Classification: nas4006 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
NAS1581K4R11G	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-659-3229?

The FSCG of the NSN 5305-01-659-3229 is 5305

Does the NSN 5305-01-659-3229 have a Schedule B code assigned?

Yes, the Schedule B code is 8108908000

Does NSN 5305-01-659-3229 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 5305-01-659-3229 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-659-3229 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 5305-01-659-3229 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Thu, Nov 17, 2016