0740700

View detailed technical data, stock status, and sourcing information for: 0740700
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-059-9263

Item Name Code

05277

Assigment Date

01/01/1963 (63 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.

prevailing torque all metal design locking feature, 0.208 inches minimum and 0.250 inches maximum nut height, right-hand thread direction, hexagon nut style, 3b thread class

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: hexagon
Nut Height: 0.208 inches minimum and 0.250 inches maximum
Width Across Flats: 0.367 inches minimum and 0.376 inches maximum
Temp Rating: 800.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Countersink Angle: 88.0 degrees nominal nut
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Material: steel corrosion resisting overall
Precious Material And Location: overall silver
Precious Material: silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: ams 2410 assn std single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-208-2880	No Name Available	04/26/1980
5310-00-724-0519	No Name Available	10/01/1988
5310-01-197-7441	No Name Available	09/01/1992

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
0740700	Hexagon Self-Locking Nut
10116527	Hexagon Self-Locking Nut
5310PL0927280	Hexagon Self-Locking Nut
5310PL2028587	Hexagon Self-Locking Nut
69949-4	Hexagon Self-Locking Nut
859273-00	Hexagon Self-Locking Nut
H56-3	Hexagon Self-Locking Nut
LYC506C3	Hexagon Self-Locking Nut
MS21046C3	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-059-9263?

The FSCG of the NSN 5310-00-059-9263 is 5310

Does the NSN 5310-00-059-9263 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-059-9263 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 5310-00-059-9263 contain precious materials?

Item contains silver.

Does NSN 5310-00-059-9263 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 5310-00-059-9263 was assigned to the Federal Catalog?

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