SP135A

View detailed technical data, stock status, and sourcing information for: SP135A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-054-2575

Item Name Code

15938

Assigment Date

01/17/1978 (48 years ago)

A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

0.006 inches nominal material thickness, 0.018 inches minimum and 0.024 inches maximum overall height, 0.245 inches minimum and 0.255 inches maximum outside diameter, 0.125 inches minimum and 0.130 inches maximum hole diameter, 350.0 vickers or firth diamond pyramid minimum and 380.0 vickers or firth diamond pyramid maximum hardness rating

Product Characteristics

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

Hole Diameter: 0.125 inches minimum and 0.130 inches maximum
Outside Diameter: 0.245 inches minimum and 0.255 inches maximum
Overall Height: 0.018 inches minimum and 0.024 inches maximum
Material Thickness: 0.006 inches nominal
Hardness Rating: 350.0 vickers or firth diamond pyramid minimum and 380.0 vickers or firth diamond pyramid maximum
Material: beryllium overall
Material Document And Classification: bs 2870,fscm k0195 mfr ref single material response overall
Surface Treatment: cadmium 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
SP135A	Spring Tension Washer

FAQs

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

What is the FSCG of the NSN 5310-01-054-2575?

The FSCG of the NSN 5310-01-054-2575 is 5310

Does the NSN 5310-01-054-2575 have a Schedule B code assigned?

Yes, the Schedule B code is 8112190000

Does NSN 5310-01-054-2575 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 5310-01-054-2575 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-054-2575 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 5310-01-054-2575 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Tue, Jan 17, 1978