A2500-048

View detailed technical data, stock status, and sourcing information for: A2500-048
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-579-0232

Item Name Code

05280

Assigment Date

01/01/1963 (63 years ago)

0.762 inches maximum overall height, prevailing torque all metal design locking feature, 0.098 inches minimum and 0.103 inches maximum mounting hole diameter, 3b thread class, right-hand thread direction

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Overall Height: 0.762 inches maximum
Mounting Hole Diameter: 0.098 inches minimum and 0.103 inches maximum
Nut Style: plate
Nut Length: 1.266 inches minimum and 1.296 inches maximum
Nut Height: 0.500 inches minimum and 0.672 inches maximum
Plate Thickness: 0.030 inches minimum and 0.050 inches maximum
Plate Width: 0.658 inches maximum
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.495 inches minimum and 0.505 inches maximum
Center To Center Distance Between Mounting Holes Along Length: 0.998 inches minimum and 1.002 inches maximum
Temp Rating: 225.0 fahrenheit nominal
Thread Series: unf
Features Provided: floating nut
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: aluminum alloy shell
Material: aluminum alloy base
Material: rubber synthetic seal
Material: steel comp 4130 nut
Material Document And Classification: aisi assn std 1st material response nut
Material Document And Classification: ams 4049 assn std 3rd material response shell
Material Document And Classification: ams 4049 assn std 2nd material response base
Material Document And Classification: mil-r-6855,cl 1 mil spec 4th material response seal
Surface Treatment: anodize base
Surface Treatment: anodize shell
Surface Treatment: cadmium nut
Surface Treatment Document And Classification: mil-a-8625 mil spec 1st treatment response base
Surface Treatment Document And Classification: mil-a-8625 mil spec 2nd treatment response shell
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec 3rd treatment response nut

Replaces National Stock Numbers

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

NSN	Name	Date
5310-00-638-2028	No Name Available	01/01/1961

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
8537427	Plate Self-Locking Nut
A2500-048	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-579-0232?

The FSCG of the NSN 5310-00-579-0232 is 5310

Does the NSN 5310-00-579-0232 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-579-0232 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 5310-00-579-0232 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-579-0232 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 5310-00-579-0232 was assigned to the Federal Catalog?

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