NAS1581C4R17P

View detailed technical data, stock status, and sourcing information for: NAS1581C4R17P
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-472-0296

Item Name Code

29294

Assigment Date

02/17/2000 (26 years ago)

A clamp designed to support and/or dead end a suspended conductor(s). Must have a provision for attachment to an insulator. Insulator is not included. Excludes:hanger, wire strand.

right-hand thread direction, 0.403 inches nominal thread length, 1.463 inches nominal fastener length, 3a thread class, 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: 1.463 inches nominal
Head Style: flat countersunk
Head Diameter: 0.350 inches nominal
Grip Diameter: 0.248 inches minimum and 0.249 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.250 inches
Grip Length: 1.006 inches minimum and 1.026 inches maximum
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 16000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: iron alloy 660 overall
Material Document And Classification: ams 5731 national std/spec single material response or ams 5732 national std/spec single material response or ams 5737 national std/spec single material response or ams 5853 national std/spec single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: ams qq-p-416, ty ii, cl 2 national std/spec 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
NAS1581C4R17P	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-472-0296?

The FSCG of the NSN 5305-01-472-0296 is 5305

Does the NSN 5305-01-472-0296 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-472-0296 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 5305-01-472-0296 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-472-0296 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 5305-01-472-0296 was assigned to the Federal Catalog?

It was assigned 26 years ago, on Thu, Feb 17, 2000