140-007-42-39C4

View detailed technical data, stock status, and sourcing information for: 140-007-42-39C4
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 140-007-42-39C4 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-775-1853

Item Name Code

15933

Assigment Date

01/01/1960 (66 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.

0.646 inches minimum and 0.666 inches maximum hole diameter, 0.726 inches minimum and 0.736 inches maximum top recess diameter, 1.209 inches minimum and 1.229 inches maximum outside diameter, 89.0 degrees minimum and 91.0 degrees maximum bottom recess angle, 0.120 inches minimum and 0.130 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: 0.646 inches minimum and 0.666 inches maximum
Outside Diameter: 1.209 inches minimum and 1.229 inches maximum
Material Thickness: 0.120 inches minimum and 0.130 inches maximum
Top Recess Diameter: 0.726 inches minimum and 0.736 inches maximum
Bottom Recess Angle: 89.0 degrees minimum and 91.0 degrees maximum
Top Recess Angle: 89.0 degrees minimum and 91.0 degrees maximum
Bottom Recess Diameter: 0.726 inches minimum and 0.736 inches maximum
Surface Finish: 63.0 microinches all surfaces
Material: steel comp h11 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: mil-c-8837,ty 2,cl 2 mil spec single treatment response overall
Style Designator: recessed both sides

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
140-007-42-39C4	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-775-1853?

The FSCG of the NSN 5310-00-775-1853 is 5310

Does the NSN 5310-00-775-1853 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-775-1853 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 5310-00-775-1853 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-775-1853 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 5310-00-775-1853 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960