NAS1581K4T17

View detailed technical data, stock status, and sourcing information for: NAS1581K4T17
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-359-0242

Item Name Code

29294

Assigment Date

05/27/1992 (34 years ago)

A terminal designed to be affixed, usually at one end, to a post, stud, chassis, or the like for mounting. It has provisions for attachment of wire(s) or similar electrical conductor(s) in order to establish an electrical connection and could require the use of tool(s) for attachment of wire. For post like terminals, see terminal stud. Excludes:clip, electrical; terminal, quick disconnect and terminal feedthru.

0.403 inches nominal thread length, 3a thread class, 1.450 inches minimum and 1.480 inches maximum fastener length, right-hand thread direction, flat countersunk 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: 0.403 inches nominal
Fastener Length: 1.450 inches minimum and 1.480 inches maximum
Head Style: flat countersunk
Head Diameter: 0.3504 inches minimum and 0.3988 inches maximum
Grip Diameter: 0.2490 inches minimum and 0.2495 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.250 inches
Grip Length: 1.052 inches minimum and 1.072 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 fastener
Special Features: offset cruciform recess per ms33781
Material: titanium alloy uns r56400 overall
Material Document And Classification: ams 4828 assn std single material response or ams 4967 assn std single material response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1581 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
NAS1581K4T17	Close Tolerance Screw
NAS1581V4T17	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-359-0242?

The FSCG of the NSN 5305-01-359-0242 is 5305

Does the NSN 5305-01-359-0242 have a Schedule B code assigned?

Yes, the Schedule B code is 8109900000

Does NSN 5305-01-359-0242 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 5305-01-359-0242 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-359-0242 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 5305-01-359-0242 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Wed, May 27, 1992