03A280C3

View detailed technical data, stock status, and sourcing information for: 03A280C3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-331-1281

Item Name Code

15933

Assigment Date

12/14/1990 (35 years ago)

0.191 inches minimum and 0.195 inches maximum hole diameter, 0.238 inches minimum and 0.248 inches maximum recess diameter, 36.0 rockwell c minimum and 45.0 rockwell c maximum hardness rating, 0.057 inches minimum and 0.069 inches maximum material thickness, 0.357 inches minimum and 0.377 inches maximum outside 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: 0.191 inches minimum and 0.195 inches maximum
Outside Diameter: 0.357 inches minimum and 0.377 inches maximum
Recess Diameter: 0.238 inches minimum and 0.248 inches maximum
Material Thickness: 0.057 inches minimum and 0.069 inches maximum
Hardness Rating: 36.0 rockwell c minimum and 45.0 rockwell c maximum
Recess Angle: 40.0 degrees minimum and 50.0 degrees maximum
Material: nickel alloy 718 overall
Material Document And Classification: ams5597 assn std single material response or ams5596 assn std single material response or ams5662 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Style Designator: recessed

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
03A280C3	Recessed Washer
AS32990C3	Recessed Washer
MM891C3	Recessed Washer
NS202859-3	Recessed Washer
NS202859C3	Recessed Washer
VN948YNP3C	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-01-331-1281?

The FSCG of the NSN 5310-01-331-1281 is 5310

Does the NSN 5310-01-331-1281 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-01-331-1281 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 5310-01-331-1281 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-331-1281 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 5310-01-331-1281 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Fri, Dec 14, 1990