PB51175-1

View detailed technical data, stock status, and sourcing information for: PB51175-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-487-7081

Item Name Code

15894

Assigment Date

01/01/1963 (63 years ago)

0.289 inches minimum and 0.294 inches maximum nut diameter, 2b thread class, right-hand thread direction, prevailing torque all metal design locking feature, 0.248 inches minimum and 0.250 inches maximum small end diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Small End Diameter: 0.248 inches minimum and 0.250 inches maximum
Nut Diameter: 0.289 inches minimum and 0.294 inches maximum
Nut Thickness: 0.365 inches minimum and 0.370 inches maximum
Knurl Width: 0.250 inches nominal
Thread Series: unc
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.138 inches
Special Features: slot 0.031 in. wide cut into small dia to depth of 0.165 in.; slot closed to 0.016 in. wide to provide self-locking feature
Material: copper alloy 360 overall
Material Document And Classification: ams 4610 assn std single material response overall
Surface Treatment: nickel overall
Surface Treatment Document And Classification: ps 22,fscm 55972 mfr ref single treatment response overall

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
PB51175-1	Knurled Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-487-7081?

The FSCG of the NSN 5310-00-487-7081 is 5310

Does the NSN 5310-00-487-7081 have a Schedule B code assigned?

Yes, the Schedule B code is 7415290000

Does NSN 5310-00-487-7081 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 5310-00-487-7081 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-487-7081 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 5310-00-487-7081 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963