140-007-26R21B4

View detailed technical data, stock status, and sourcing information for: 140-007-26R21B4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-624-0656

Item Name Code

15933

Assigment Date

12/13/2013 (12 years ago)

A secure data configuration consisting of a secure data processing terminal, interface, and secure data equipment. It may or may not include a printer, keyboard, terminal and signal converter. It may be a portable system that can be contained in a briefcase.

0.656 inches nominal outside diameter, 0.125 inches minimum material thickness, 0.375 inches nominal hole diameter, 45.0 degrees nominal recess angle, uh-1y huey helicopter end item identification

Product Characteristics

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

Hole Diameter: 0.375 inches nominal
Outside Diameter: 0.656 inches nominal
Material Thickness: 0.125 inches minimum
End Item Identification: uh-1y huey helicopter
Recess Angle: 45.0 degrees nominal
Part Name Assigned By Controlling Agency: washer, flat, tension bole, chamfered id both sides
Special Features: chamfer: 0.020 to 0.030 inch
Material: steel corrosion resisting overall
Material Document And Classification: a286, per ams5525, 5732, 5732, 5737 or 5853 assn std single material response overall
Surface Treatment: cadmium 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
140-007-26R21B4	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-01-624-0656?

The FSCG of the NSN 5310-01-624-0656 is 5310

Does the NSN 5310-01-624-0656 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-624-0656 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 5310-01-624-0656 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-624-0656 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 5310-01-624-0656 was assigned to the Federal Catalog?

It was assigned 12 years ago, on Fri, Dec 13, 2013