5310-01-070-2113

Find complete technical information, availability, and procurement data for: 5310-01-070-2113
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-070-2113

Item Name Code

01869

Assigment Date

01/06/1979 (47 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.

0.050 inches minimum and 0.060 inches maximum internal prebent key width, 35.0 rockwell c minimum and 39.0 rockwell c maximum hardness rating, 0.256 inches minimum and 0.266 inches maximum hole diameter, 0.060 inches nominal material thickness, 0.440 inches minimum and 0.460 inches maximum outside 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: 0.256 inches minimum and 0.266 inches maximum
Outside Diameter: 0.440 inches minimum and 0.460 inches maximum
Internal Prebent Key Width: 0.050 inches minimum and 0.060 inches maximum
Material Thickness: 0.060 inches nominal
Hardness Rating: 35.0 rockwell c minimum and 39.0 rockwell c maximum
Wire Hole Diameter: 0.062 inches minimum and 0.072 inches maximum
Material: steel comp 4130 overall
Material Document And Classification: mil-s-18729 mil spec single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Style Designator: internal prebent key
Specification/Standard Data: 81349-mil-b-81935/3 government specification

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
10122078	Key Washer
M81935-3-4	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-01-070-2113?

The FSCG of the NSN 5310-01-070-2113 is 5310

Does the NSN 5310-01-070-2113 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-070-2113 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 5310-01-070-2113 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-070-2113 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 5310-01-070-2113 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Sat, Jan 6, 1979