0740687

View detailed technical data, stock status, and sourcing information for: 0740687
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-176-6341

Item Name Code

05277

Assigment Date

01/30/1970 (56 years ago)

hexagon nut style, prevailing torque with nonmetallic insert locking feature, right-hand thread direction, 0.160 inches minimum and 0.188 inches maximum nut height, 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 with nonmetallic insert
Nut Style: hexagon
Nut Height: 0.160 inches minimum and 0.188 inches maximum
Width Across Flats: 0.305 inches minimum and 0.313 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unc
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.138 inches
Countersink Angle: 88.0 degrees nominal nut
Bearing Surface Type: chamfered
Bearing Surface Finish: 125.0 microinches
Material: plastic polyhexamethylene amide locking insert
Material: steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 317 or steel comp 347 nut
Material Document And Classification: ff-n-836 fed std all material responses nut
Material Document And Classification: mil-a-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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-620-4041	No Name Available	01/01/1983

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
0740687	Hexagon Self-Locking Nut
441-6726481-44	Hexagon Self-Locking Nut
5310PL0958271	Hexagon Self-Locking Nut
5343973 PIECE 1	Hexagon Self-Locking Nut
6314781 FIND NO 11	Hexagon Self-Locking Nut
91535250	Hexagon Self-Locking Nut
A07058.009.156	Hexagon Self-Locking Nut
M24129/3-06C	Hexagon Self-Locking Nut
MS17830-06C	Hexagon Self-Locking Nut
NASM17830-06C	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-176-6341?

The FSCG of the NSN 5310-00-176-6341 is 5310

Does the NSN 5310-00-176-6341 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-176-6341 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 5310-00-176-6341 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-176-6341 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 5310-00-176-6341 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Jan 30, 1970