NAS1581V4R16X

View detailed technical data, stock status, and sourcing information for: NAS1581V4R16X
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-683-7176

Item Name Code

29294

Assigment Date

10/03/2019 (6 years ago)

An item consisting of two or more individually insulated conductors (solid, stranded, or tinsel) of a definite length, with or without shielding, held together by lacing cord, metal bands, or similar type binding. The individual conductors are usually identified by color, or by alphabetic or numeric codes or symbols. The item may include fittings which provide for connection to other items. Excludes:items which are branched, forked, jacketed, sleeved, or contained in a common covering. Also excludes:cable assembly (as modified); harness, electrical equipment; lead assembly, electrical; and wiring harness, branched.

0.403 inches nominal thread length, flat countersunk head style, 1.388 inches minimum and 1.418 inches maximum fastener length, 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: 1.388 inches minimum and 1.418 inches maximum
Head Style: flat countersunk
Head Diameter: 0.350 inches minimum and 0.399 inches maximum
Grip Diameter: 0.2641 inches minimum and 0.2651 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.990 inches minimum and 1.010 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: titanium alloy uns r56400 overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1580 professional/industrial association standard

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
NAS1581K4R16X	Close Tolerance Screw
NAS1581V4R16X	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-683-7176?

The FSCG of the NSN 5305-01-683-7176 is 5305

Does the NSN 5305-01-683-7176 have a Schedule B code assigned?

Yes, the Schedule B code is 8108908000

Does NSN 5305-01-683-7176 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 5305-01-683-7176 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-683-7176 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 5305-01-683-7176 was assigned to the Federal Catalog?

It was assigned 6 years ago, on Thu, Oct 3, 2019