R991P3-085

View detailed technical data, stock status, and sourcing information for: R991P3-085
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-596-5475

Item Name Code

15893

Assigment Date

01/01/1963 (63 years ago)

Footwear having safety features such as steel box toes or equivalent, nonslip heels and soles, and/or instep guards. They are used to provide protection to the feet from an impact force and to prevent injury from falls due to slippage. Designed to be worn by males past the age of physical maturity. Excludes:shoes, conductive; shoes, electrical hazards protective; shoes, molders'; and shoes, nonsparking.

0.085 inches nominal pilot length, 3b thread class, 0.220 inches minimum and 0.224 inches maximum pilot diameter, right-hand thread direction, prevailing torque all metal design locking feature

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
Pilot Diameter: 0.220 inches minimum and 0.224 inches maximum
Pilot Length: 0.085 inches nominal
Nut Style: spline
Nut Height: 0.257 inches nominal
Width Across Flats: 0.3125 inches nominal
Thread Series: unc
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.138 inches
Material: steel comp 1117 overall
Material Document And Classification: 66 fed std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416 ty 1 cl 3 fed spec 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
22FP2-632	Spline Self-Locking Nut
R991P3-085	Spline Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-596-5475?

The FSCG of the NSN 5310-00-596-5475 is 5310

Does the NSN 5310-00-596-5475 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-596-5475 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 5310-00-596-5475 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-596-5475 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 5310-00-596-5475 was assigned to the Federal Catalog?

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