NAS143-8C

View detailed technical data, stock status, and sourcing information for: NAS143-8C
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-149-9116

Item Name Code

15933

Assigment Date

01/01/1963 (63 years ago)

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

0.504 inches minimum and 0.515 inches maximum hole diameter, 0.875 inches nominal outside diameter, 0.078 inches nominal material thickness, multiple launch rocket system (mlrs); a4 bradley fighting vehicle; a3 bradley fighting vehicle end item identification, 0.604 inches minimum and 0.620 inches maximum recess diameter

Product Characteristics

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

Hole Diameter: 0.504 inches minimum and 0.515 inches maximum
Outside Diameter: 0.875 inches nominal
Recess Diameter: 0.604 inches minimum and 0.620 inches maximum
Material Thickness: 0.078 inches nominal
End Item Identification: multiple launch rocket system (mlrs); a4 bradley fighting vehicle; a3 bradley fighting vehicle
Minimum Tensile Strength: 125000 pounds per square inch
Recess Angle: 90.0 degrees nominal
Material: steel comp 1330 or steel comp 4130 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Style Designator: recessed

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-209-3434	No Name Available	01/01/1963
5310-00-209-3562	No Name Available	01/01/1963
5310-00-475-8501	No Name Available	08/18/1969
5310-00-722-4594	No Name Available	07/01/1968

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
10419054	Recessed Washer
145-4510923-105	Recessed Washer
21326 FIND 26	Recessed Washer
21835 FIND 51	Recessed Washer
52103 FIND 53	Recessed Washer
52122 FIND 54	Recessed Washer
5310001499116	Recessed Washer
5310PL0150699	Recessed Washer
9387511105	Recessed Washer
MS20002C8	Recessed Washer
NAS143-8C	Recessed Washer
NASM20002-C8	Recessed Washer
T4M284-8C	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-149-9116?

The FSCG of the NSN 5310-00-149-9116 is 5310

Does the NSN 5310-00-149-9116 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-149-9116 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 5310-00-149-9116 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-149-9116 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 5310-00-149-9116 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963