SP251

View detailed technical data, stock status, and sourcing information for: SP251
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-275-9295

Item Name Code

15933

Assigment Date

01/01/1963 (63 years ago)

71.0 degrees minimum and 73.0 degrees maximum recess angle, 0.276 inches minimum and 0.286 inches maximum outside diameter, 0.095 inches minimum and 0.097 inches maximum hole diameter, 0.050 inches minimum and 0.057 inches maximum material thickness, 0.151 inches minimum and 0.161 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: 0.095 inches minimum and 0.097 inches maximum
Outside Diameter: 0.276 inches minimum and 0.286 inches maximum
Recess Diameter: 0.151 inches minimum and 0.161 inches maximum
Material Thickness: 0.050 inches minimum and 0.057 inches maximum
Recess Angle: 71.0 degrees minimum and 73.0 degrees maximum
Material: copper alloy b overall
Material Document And Classification: mil-b-994 mil spec single material 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
44362PC10	Recessed Washer
SP251	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-275-9295?

The FSCG of the NSN 5310-00-275-9295 is 5310

Does the NSN 5310-00-275-9295 have a Schedule B code assigned?

Yes, the Schedule B code is 7415210000

Does NSN 5310-00-275-9295 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 5310-00-275-9295 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-275-9295 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 5310-00-275-9295 was assigned to the Federal Catalog?

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