PL-M19-21121-D PC 163

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-399-0439

Item Name Code

13393

Assigment Date

11/16/1994 (31 years ago)

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

round peripheral shape style, 0.095 inches nominal thickness, round center hole shape style, 0.531 inches nominal hole diameter, rectangular cross-sectional shape style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.531 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.095 inches nominal
Overall Diameter: 1.062 inches nominal
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416, ty2, cl2 fed spec single treatment response overall

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
124-4400059 PC	Flat Washer
345-10032	Flat Washer
F525-11162-528	Flat Washer
M19-21121-D PC 163	Flat Washer
PL-M19-21121-D PC 163	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-399-0439?

The FSCG of the NSN 5310-01-399-0439 is 5310

Does the NSN 5310-01-399-0439 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-399-0439 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 5310-01-399-0439 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-399-0439 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 5310-01-399-0439 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Nov 16, 1994