03A257-12CA

View detailed technical data, stock status, and sourcing information for: 03A257-12CA
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-347-8263

Item Name Code

15933

Assigment Date

10/30/1991 (34 years ago)

0.099 inches minimum and 0.119 inches maximum material thickness, 40.0 degrees minimum and 45.0 degrees maximum recess angle, 0.903 inches minimum and 0.913 inches maximum recess diameter, 0.752 inches minimum and 0.756 inches maximum hole diameter, 1.518 inches minimum and 1.528 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: 0.752 inches minimum and 0.756 inches maximum
Outside Diameter: 1.518 inches minimum and 1.528 inches maximum
Recess Diameter: 0.903 inches minimum and 0.913 inches maximum
Material Thickness: 0.099 inches minimum and 0.119 inches maximum
Recess Angle: 40.0 degrees minimum and 45.0 degrees maximum
Material: iron alloy 660 and nickel alloy 718 overall
Material Document And Classification: ams 5525 assn std 1st material response and ams 5596 assn std 2nd material response overall
Surface Treatment: aluminum alloy 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
03A257-12CA	Recessed Washer
03A257C12A	Recessed Washer
AS19879C12A	Recessed Washer
MM118C12A	Recessed Washer
NS202860C12A	Recessed Washer
VN948BF12C	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-01-347-8263?

The FSCG of the NSN 5310-01-347-8263 is 5310

Does NSN 5310-01-347-8263 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 5310-01-347-8263 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-347-8263 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 5310-01-347-8263 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Wed, Oct 30, 1991