0740690

View detailed technical data, stock status, and sourcing information for: 0740690
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-082-2060

Item Name Code

05277

Assigment Date

08/28/1979 (46 years ago)

A nut, flat on top and bottom, having four flat sides of which two parallel sides are shorter than the other two. For items having a thickness (or height) exceeding two times the width, use post, electrical-mechanical equipment. (when height or thickness and/or width is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

prevailing torque with nonmetallic insert locking feature, 3b thread class, hexagon nut style, 0.435 inches minimum and 0.469 inches maximum nut height, 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: 0.435 inches minimum and 0.469 inches maximum
Width Across Flats: 0.679 inches minimum and 0.690 inches maximum
Temp Rating: 250.0 fahrenheit maximum
Thread Series: unc
Thread Quantity Per Inch: 14
Nominal Thread Size: 0.438 inches
Countersink Angle: 88.0 degrees minimum nut
Bearing Surface Type: chamfered
Material: plastic polyhexamethylene amide locking insert
Material: steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385 nut
Material Document And Classification: 66 fed std all material responses nut
Material Document And Classification: mil-m-20693,comp a,type 1 mil spec single material response locking insert
Surface Treatment: passivate nut
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response nut

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-01-379-0039	No Name Available	11/01/1994

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
0740690	Hexagon Self-Locking Nut
79NE074U	Hexagon Self-Locking Nut
803-5001003-X7X1-06	Hexagon Self-Locking Nut
A07058.003.156	Hexagon Self-Locking Nut
MS17830-7C	Hexagon Self-Locking Nut
SW102-11	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-082-2060?

The FSCG of the NSN 5310-01-082-2060 is 5310

Does the NSN 5310-01-082-2060 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-082-2060 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 5310-01-082-2060 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-082-2060 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 5310-01-082-2060 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Tue, Aug 28, 1979