5310-00-149-9749

Find complete technical information, availability, and procurement data for: 5310-00-149-9749
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-149-9749

Item Name Code

15933

Assigment Date

10/10/1971 (54 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.

34.0 rockwell c minimum and 38.0 rockwell c maximum hardness rating, 0.187 inches minimum and 0.188 inches maximum material thickness, 0.700 inches nominal hole diameter, 1.250 inches nominal outside diameter, 150000 pounds per square inch minimum tensile strength

Product Characteristics

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

Hole Diameter: 0.700 inches nominal
Outside Diameter: 1.250 inches nominal
Material Thickness: 0.187 inches minimum and 0.188 inches maximum
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 34.0 rockwell c minimum and 38.0 rockwell c maximum
Top Recess Diameter: 0.820 inches nominal
Bottom Recess Angle: 45.0 degrees nominal
Top Recess Angle: 45.0 degrees nominal
Bottom Recess Diameter: 0.820 inches nominal
Heat Treatment: normalized
Material: steel comp 4130 overall
Material Document And Classification: mil-s-6758 mil spec single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed 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
65700-70025-156	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-149-9749?

The FSCG of the NSN 5310-00-149-9749 is 5310

Does the NSN 5310-00-149-9749 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-149-9749 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 5310-00-149-9749 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-149-9749 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 5310-00-149-9749 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sun, Oct 10, 1971