5310-01-178-3708

Find complete technical information, availability, and procurement data for: 5310-01-178-3708
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-178-3708

Item Name Code

14218

Assigment Date

05/04/1984 (42 years ago)

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

0.128 inches minimum and 0.137 inches maximum hole diameter, ams 7240 assn std single material response overall material document and classification, 0.225 inches maximum outside diameter, steel comp 1060 overall material, 0.025 inches minimum and 0.031 inches maximum material thickness

Product Characteristics

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

Hole Diameter: 0.128 inches minimum and 0.137 inches maximum
Outside Diameter: 0.225 inches maximum
Material Thickness: 0.025 inches minimum and 0.031 inches maximum
Material: steel comp 1060 overall
Material Document And Classification: ams 7240 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: ams 2400 assn std single treatment response overall
Style Designator: split helical-right hand

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
MS122052	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-178-3708?

The FSCG of the NSN 5310-01-178-3708 is 5310

Does the NSN 5310-01-178-3708 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-178-3708 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 5310-01-178-3708 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-178-3708 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 5310-01-178-3708 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Fri, May 4, 1984