5310-00-166-1438

Find complete technical information, availability, and procurement data for: 5310-00-166-1438
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-166-1438

Item Name Code

13393

Assigment Date

01/01/1961 (65 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.

0.318 inches minimum and 0.338 inches maximum hole diameter, round center hole shape style, 0.028 inches minimum and 0.035 inches maximum thickness, round peripheral shape style, rectangular cross-sectional shape style

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: 0.318 inches minimum and 0.338 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.028 inches minimum and 0.035 inches maximum
Overall Diameter: 0.459 inches minimum and 0.479 inches maximum
Hardness Rating: 76.0 rockwell superficial 30-t minimum or 83.0 rockwell superficial 30-t maximum
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: ams 2400 assn std single treatment response overall

FAQs

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

What is the FSCG of the NSN 5310-00-166-1438?

The FSCG of the NSN 5310-00-166-1438 is 5310

Does the NSN 5310-00-166-1438 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-166-1438 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 5310-00-166-1438 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-166-1438 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 5310-00-166-1438 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961