NAS1581K3R4X

View detailed technical data, stock status, and sourcing information for: NAS1581K3R4X
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-693-9141

Item Name Code

29294

Assigment Date

03/10/2021 (5 years ago)

A device for reducing the strength of an alternating current signal either continuously or in steps, without causing appreciable signal distortion, by maintaining substantially constant output and/or input impedance match. Continuously variable resistive devices must consist of at least two sections or one section with at least two rotating contacts. The item must have an overall attenuation rating. Includes tandem mounted variable resistors designed to function as an attenuator but whose terminals are not connected. See also resistor, vaiable (as modified).

flat countersunk head style, 0.363 inches nominal thread length, 0.613 inches nominal 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: 0.363 inches nominal
Fastener Length: 0.613 inches nominal
Head Style: flat countersunk
Head Diameter: 0.2578 inches minimum and 0.3047 inches maximum
Grip Diameter: 0.2046 inches minimum and 0.2051 inches maximum
Internal Drive Style: offset cruciform (torque set)
End Item Identification: b1-bacft
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.250 inches nominal
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 1600 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: titanium alloy uns r56400 overall
Material Document And Classification: ams4928 national std/spec single material response or ams4967 national std/spec single material 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
NAS1581K3R4X	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-693-9141?

The FSCG of the NSN 5305-01-693-9141 is 5305

Does the NSN 5305-01-693-9141 have a Schedule B code assigned?

Yes, the Schedule B code is 8108908000

Does NSN 5305-01-693-9141 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 5305-01-693-9141 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-693-9141 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 5305-01-693-9141 was assigned to the Federal Catalog?

It was assigned 5 years ago, on Wed, Mar 10, 2021