122-6669170 PC 21

View detailed technical data, stock status, and sourcing information for: 122-6669170 PC 21
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-519-6626

Item Name Code

05277

Assigment Date

06/20/1969 (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, hexagon nut style, 1.578 inches minimum and 1.640 inches maximum nut height

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: 1.578 inches minimum and 1.640 inches maximum
Width Across Flats: 2.159 inches minimum and 2.197 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unc
Thread Quantity Per Inch: 6
Nominal Thread Size: 1.500 inches
Countersink Angle: 88.0 degrees nominal nut
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
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-20963,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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-01-288-1442	No Name Available	10/01/1991

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
01-070-0223 PIECE 189	Hexagon Self-Locking Nut
01070-0223REVB	Hexagon Self-Locking Nut
122-6669170 PC 21	Hexagon Self-Locking Nut
122-6669171 PC 21	Hexagon Self-Locking Nut
122-6669172 PC 21	Hexagon Self-Locking Nut
122-669169 PC 21	Hexagon Self-Locking Nut
F52N1610-246	Hexagon Self-Locking Nut
F52N7582-2406	Hexagon Self-Locking Nut
MS17829-24C	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-519-6626?

The FSCG of the NSN 5310-00-519-6626 is 5310

Does the NSN 5310-00-519-6626 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-519-6626 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 5310-00-519-6626 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-519-6626 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 5310-00-519-6626 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Jun 20, 1969