M60CR256-4E

View detailed technical data, stock status, and sourcing information for: M60CR256-4E
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-891-1547

Item Name Code

06657

Assigment Date

11/05/1997 (28 years ago)

3a thread class, flat chamfer head style, 0.250 inches nominal fastener length, 0.250 inches minimum thread length, right-hand thread direction

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: 0.250 inches minimum
Fastener Length: 0.250 inches nominal
Head Style: flat chamfer
Head Diameter: 0.134 inches minimum and 0.140 inches maximum
Head Height: 0.083 inches minimum and 0.086 inches maximum
Width Between Flats: 0.078 inches minimum and 0.079 inches maximum
Locking Feature: pellet or strip
Internal Drive Style: torque set
Nominal Thread Diameter: 0.086 inches
Thread Quantity Per Inch: 56
Screw Material: steel comp 302
Screw Material Document And Classification: qq-s-763 fed spec single material response
Head Surface Treatment: passivate
Thread Series Designator: unc

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
1486137-13	Machine Screw
1486137PC13	Machine Screw
M60CR256-4E	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-891-1547?

The FSCG of the NSN 5305-00-891-1547 is 5305

Does the NSN 5305-00-891-1547 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-891-1547 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 5305-00-891-1547 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-891-1547 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 5305-00-891-1547 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Wed, Nov 5, 1997