5305-01-577-1880

Find complete technical information, availability, and procurement data for: 5305-01-577-1880
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-577-1880

Item Name Code

06657

Assigment Date

08/28/2009 (16 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

1.750 inches nominal fastener length, 2a thread class, right-hand thread direction, 1.750 inches nominal thread length, pan 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: 2a
Thread Direction: right-hand
Thread Length: 1.750 inches nominal
Fastener Length: 1.750 inches nominal
Head Style: pan
Head Diameter: 0.492 inches nominal
Head Height: 0.175 inches nominal
Internal Drive Style: cross recess type 1
End Item Identification: 2350-01-219-7577 carrier,personnel,full tracked
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 60000 pounds per square inch
Hardness Rating: 60.0 rockwell b minimum
Screw Material: steel
Screw Surface Treatment: zinc
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
90272A547	Machine Screw
MS35206-286Z	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-577-1880?

The FSCG of the NSN 5305-01-577-1880 is 5305

Does the NSN 5305-01-577-1880 have a Schedule B code assigned?

Yes, the Schedule B code is 8710000090

Does NSN 5305-01-577-1880 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 5305-01-577-1880 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-577-1880 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 5305-01-577-1880 was assigned to the Federal Catalog?

It was assigned 16 years ago, on Fri, Aug 28, 2009