5310-01-577-7738

Find complete technical information, availability, and procurement data for: 5310-01-577-7738
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-577-7738

Item Name Code

05277

Assigment Date

09/17/2009 (16 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

3b thread class, 1.382 inches nominal nut height, prevailing torque with nonmetallic insert locking feature, hexagon nut style, 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 with nonmetallic insert
Nut Style: hexagon
Nut Height: 1.382 inches nominal
Width Across Flats: 0.985 inches minimum and 1.015 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unjc
Thread Quantity Per Inch: 10
Nominal Thread Size: 0.750 inches
Bearing Surface Type: chamfered
Material: steel overall
Surface Treatment: cadmium 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
42NU120	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-577-7738?

The FSCG of the NSN 5310-01-577-7738 is 5310

Does the NSN 5310-01-577-7738 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-577-7738 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 5310-01-577-7738 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-577-7738 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 5310-01-577-7738 was assigned to the Federal Catalog?

It was assigned 16 years ago, on Thu, Sep 17, 2009