NAS577B-6F

View detailed technical data, stock status, and sourcing information for: NAS577B-6F
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-309-3580

Item Name Code

15891

Assigment Date

10/17/1989 (36 years ago)

A nut of cylindrical or partly cylindrical cross-section with integral threads perpendicular to the axial centerline. Ends may be flat or flanged. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, round.

0.681 inches minimum and 0.684 inches maximum nut diameter, 3b thread class, floating self-locking barrel nut style, prevailing torque all metal design locking feature, 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: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Nut Style: floating self-locking barrel
Nut Diameter: 0.681 inches minimum and 0.684 inches maximum
Nut Length: 0.740 inches minimum and 0.760 inches maximum
Barrel Height: 0.410 inches minimum and 0.420 inches maximum
Nut Height: 0.531 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Special Features: dry film lubricant
Material: steel comp 8740 or steel comp 4340 overall
Material Document And Classification: mil-s-6049 mil spec 1st material response or ams 6322 assn std 2nd material response or mil-s-8844,class 1 mil spec 2nd material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: nas 672 assn std 1st treatment response or mil-c-8837 mil spec 2nd treatment response overall
Specification/Standard Data: 80205-nas577 professional/industrial association standard

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
NAS577B-6F	Barrel Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-309-3580?

The FSCG of the NSN 5310-01-309-3580 is 5310

Does the NSN 5310-01-309-3580 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-309-3580 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 5310-01-309-3580 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-309-3580 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 5310-01-309-3580 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Tue, Oct 17, 1989