0740686

View detailed technical data, stock status, and sourcing information for: 0740686
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-483-8792

Item Name Code

05277

Assigment Date

05/30/1969 (57 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.

hexagon nut style, prevailing torque with nonmetallic insert locking feature, 3b thread class, 0.240 inches minimum and 0.360 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: 0.240 inches minimum and 0.360 inches maximum
End Item Identification: mrap buffalo mk2a2
Width Across Flats: 0.430 inches minimum and 0.439 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unc
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.250 inches
Countersink Angle: 88.0 degrees nominal nut
Bearing Surface Type: chamfered or washer faced
Material: plastic polyhexamethylene amide locking insert
Material: steel comp 1137 nut
Material Document And Classification: 66 fed std single material response locking insert
Surface Treatment: cadmium nut
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-068-4511	No Name Available	08/09/1971
5310-01-008-6781	No Name Available	08/01/1999
5310-01-061-4478	No Name Available	08/01/2011
5310-01-239-7895	No Name Available	11/01/1990

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
0740686	Hexagon Self-Locking Nut
1/4-20UNC-3B	Hexagon Self-Locking Nut
122-5006519 PC 22	Hexagon Self-Locking Nut
122-5008312 PC 32	Hexagon Self-Locking Nut
122-5589566 PC 44	Hexagon Self-Locking Nut
122-6722635 PC 63	Hexagon Self-Locking Nut
122-6722636 PC 12	Hexagon Self-Locking Nut
122-6818601 PC 76	Hexagon Self-Locking Nut
122-6818602 PC 33	Hexagon Self-Locking Nut
5310004838792	Hexagon Self-Locking Nut
6405280 FIND 22	Hexagon Self-Locking Nut
6640211 FIND 30	Hexagon Self-Locking Nut
703-2298086 PIE	Hexagon Self-Locking Nut
B842X9B2	Hexagon Self-Locking Nut
F52N1610-040	Hexagon Self-Locking Nut
M24129-2-4C	Hexagon Self-Locking Nut
MS17829-2-4C	Hexagon Self-Locking Nut
TM SG18-LR-MMA-020 7-33-6	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-483-8792?

The FSCG of the NSN 5310-00-483-8792 is 5310

Does the NSN 5310-00-483-8792 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-483-8792 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 5310-00-483-8792 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-483-8792 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 5310-00-483-8792 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, May 30, 1969