6640211 FIND 51

View detailed technical data, stock status, and sourcing information for: 6640211 FIND 51
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-483-8790

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.

prevailing torque with nonmetallic insert locking feature, 3b thread class, right-hand thread direction, 0.318 inches minimum and 0.469 inches maximum nut height, hexagon nut style

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: 0.318 inches minimum and 0.469 inches maximum
Width Across Flats: 0.553 inches minimum and 0.564 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unc
Thread Quantity Per Inch: 16
Nominal Thread Size: 0.375 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 nut
Material Document And Classification: mil-m-20693,comp a,ty 1 mil spec single material response locking insert
Surface Treatment: cadmium overall except insert
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall except insert

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-203-1107	No Name Available	07/01/1982
5310-00-586-8322	No Name Available	04/27/1999
5310-00-680-7521	No Name Available	01/01/1983
5310-00-791-7567	No Name Available	02/18/1970
5310-00-828-4834	No Name Available	07/01/1988

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
122-5589566 PC 61	Hexagon Self-Locking Nut
122-6600340 PC 60	Hexagon Self-Locking Nut
122-6600341 PC27	Hexagon Self-Locking Nut
122-6602816 PC 4, 12 & 13	Hexagon Self-Locking Nut
122-6669173 PC 8	Hexagon Self-Locking Nut
122-6722635 PC 57	Hexagon Self-Locking Nut
122-6722636 PC 40	Hexagon Self-Locking Nut
122-6722637 PC 1	Hexagon Self-Locking Nut
122-6818602C 53	Hexagon Self-Locking Nut
2533409-113	Hexagon Self-Locking Nut
5310PL0793816	Hexagon Self-Locking Nut
595-6404641 FIND 40	Hexagon Self-Locking Nut
60-08-1212	Hexagon Self-Locking Nut
6129508 ITEM 19	Hexagon Self-Locking Nut
6640211 FIND 51	Hexagon Self-Locking Nut
701-2486464 P/N 29	Hexagon Self-Locking Nut
701-7070554 SH 1 PC 17	Hexagon Self-Locking Nut
703-2298071 PIECE 18	Hexagon Self-Locking Nut
752-6406821-8	Hexagon Self-Locking Nut
904149	Hexagon Self-Locking Nut
922845	Hexagon Self-Locking Nut
F52N1610-066	Hexagon Self-Locking Nut
F52N7582-616	Hexagon Self-Locking Nut
H791-7000-20	Hexagon Self-Locking Nut
MIL-S-17829	Hexagon Self-Locking Nut
MS16829-6C	Hexagon Self-Locking Nut
MS17829-6C	Hexagon Self-Locking Nut
MS17829-6C/.375 IN-16UNC-3B	Hexagon Self-Locking Nut
MS21044	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-483-8790?

The FSCG of the NSN 5310-00-483-8790 is 5310

Does the NSN 5310-00-483-8790 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-483-8790 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 5310-00-483-8790 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-483-8790 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 5310-00-483-8790 was assigned to the Federal Catalog?

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