3798790 FIND 21

View detailed technical data, stock status, and sourcing information for: 3798790 FIND 21
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-982-6810

Item Name Code

05277

Assigment Date

01/01/1962 (64 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, soluble lubricant lubrication, prevailing torque with nonmetallic insert locking feature, right-hand thread direction, 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
Lubrication: soluble lubricant
Nut Style: hexagon
Nut Height: 0.855 inches minimum and 0.891 inches maximum
End Item Identification: w/s: aircraft, c-2a (reprocured); radar set, firefinder (an/tpq-36); elevators, aircraft; airborne mobile dir air spt ctl (2id), (02m jul83) (an/uyq-3a); fire pumps; shipboard material handling equipment (mhe); elevators, cargo/weapons; support equipment, b-1 aircraft; aircraft, (ac-130h, mc-130h, ec-130e, hc-130)
Width Across Flats: 1.052 inches minimum and 1.064 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 16
Nominal Thread Size: 0.750 inches
Countersink Angle: 88.0 degrees nominal nut
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Material: steel comp 1006 or steel comp 1008 or steel comp 1009 or steel comp 1010 or steel comp 1015 or steel comp 1018 or steel comp 1035 or steel comp 11l37 or steel comp 1213 or steel comp 12l14 nut
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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-005-0642	No Name Available	01/01/1990
5310-00-050-3334	No Name Available	05/01/1980
5310-00-188-1980	No Name Available	07/01/1977
5310-00-274-8341	No Name Available	08/01/1982
5310-00-893-7421	No Name Available	08/01/1992
5310-00-964-0100	No Name Available	10/01/1982
5310-00-973-1874	No Name Available	02/12/1968
5310-00-989-4686	No Name Available	01/01/1962
5310-01-021-3451	No Name Available	11/01/1980
5310-01-147-3990	No Name Available	05/01/1984
5310-01-270-8342	No Name Available	09/01/2004

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
3798790 FIND 21	Hexagon Self-Locking Nut
52NE126	Hexagon Self-Locking Nut
5310009826810	Hexagon Self-Locking Nut
69NTE-3416	Hexagon Self-Locking Nut
870-223	Hexagon Self-Locking Nut
F52NE-1216	Hexagon Self-Locking Nut
F52NE126	Hexagon Self-Locking Nut
FC030005	Hexagon Self-Locking Nut
FD75A	Hexagon Self-Locking Nut
K4866183PC9	Hexagon Self-Locking Nut
MS21044N12	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-982-6810?

The FSCG of the NSN 5310-00-982-6810 is 5310

Does the NSN 5310-00-982-6810 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-982-6810 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 5310-00-982-6810 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-982-6810 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 5310-00-982-6810 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962