5305-01-497-8971

Find complete technical information, availability, and procurement data for: 5305-01-497-8971
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-497-8971

Item Name Code

06657

Assigment Date

06/06/2002 (24 years ago)

A geometrically shaped item with one or more edges designed for various machine operations such as boring, cut-off, planing, slotting, threading and turning. It is held in a pocket or other seating surfaces of a holder by mechanical means. It is not designed to be sharpened or reground. Indexable items must have two or more edges. For items designed for grinding, sharpening or with shanks, see cutter bit, tool holder.

flat countersunk head style, right-hand thread direction, 0.385 inches minimum and 0.415 inches maximum fastener length, 0.338 inches nominal thread length, 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: 0.338 inches nominal
Fastener Length: 0.385 inches minimum and 0.415 inches maximum
Head Style: flat countersunk
Head Diameter: 0.328 inches minimum and 0.338 inches maximum
Internal Drive Style: torque set
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Countersink Angle: 98.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel comp 4140 or steel comp e4340 or steel comp 8740
Locking Feature Material: plastic polyamide (nylon)
Screw Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 4th material response
Locking Feature Material Document And Classification: mil-f-18240 mil spec single material response
Thread Series Designator: unjc

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
NAS1162-1L	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-497-8971?

The FSCG of the NSN 5305-01-497-8971 is 5305

Does the NSN 5305-01-497-8971 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-497-8971 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 5305-01-497-8971 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-497-8971 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 5305-01-497-8971 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Thu, Jun 6, 2002