03A257-12A

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

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-339-2077

Item Name Code

13393

Assigment Date

05/19/1991 (35 years ago)

"a device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. May include provisions for manual operation. At least one set of contacts must be in series with the actuating element(s). A combination of semiconductor and passive devices may be used in lieu of contacts. For automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). For items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. Excludes:circuit breaker box and magneto "breaker" assemblies. See also switch (as modified); and controller."

round center hole shape style, rectangular cross-sectional shape style, 0.099 inches minimum and 0.119 inches maximum thickness, round peripheral shape style, 0.752 inches minimum and 0.756 inches maximum hole diameter

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: 0.752 inches minimum and 0.756 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.099 inches minimum and 0.119 inches maximum
Overall Diameter: 1.518 inches minimum and 1.528 inches maximum
Material: nickel alloy 718 overall
Material Document And Classification: ams 5525 assn std single material response or ams 5737 assn std single material response overall
Surface Treatment: aluminum alloy 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
03A257-12A	Flat Washer
AS19879-12A	Flat Washer
MM118-12A	Flat Washer
NS202860-12A	Flat Washer
VN948-12A	Flat Washer
VN948BF12	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-339-2077?

The FSCG of the NSN 5310-01-339-2077 is 5310

Does the NSN 5310-01-339-2077 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-01-339-2077 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 5310-01-339-2077 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-339-2077 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 5310-01-339-2077 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sun, May 19, 1991