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5310-01-281-5646

Find complete technical information, availability, and procurement data for: 5310-01-281-5646

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5310-01-281-5646
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-281-5646
Item Name Code
13393
Assigment Date
06/27/1988 (38 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

round center hole shape style, 0.189 inches minimum and 0.199 inches maximum hole diameter, rectangular cross-sectional shape style, round peripheral shape style, 0.060 inches minimum and 0.063 inches maximum thickness

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
0.189 inches minimum and 0.199 inches maximum
Peripheral Shape Style
round
Center Hole Shape Style
round
Thickness
0.060 inches minimum and 0.063 inches maximum
Overall Diameter
0.305 inches minimum and 0.315 inches maximum
Hardness Rating
20.0 rockwell c minimum
Material
steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 321 or steel comp 347 overall
Material Document And Classification
qq-s-766 fed spec all material responses overall
Surface Treatment
passivate overall

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
MS51496P72 Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-281-5646?
The FSCG of the NSN 5310-01-281-5646 is 5310
Does the NSN 5310-01-281-5646 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-01-281-5646 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 5310-01-281-5646 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-281-5646 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 5310-01-281-5646 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Mon, Jun 27, 1988

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

  • ITAR Registered
  • DDTC Registered
  • HAZMAT Certified
  • AS9120 Quality Standards
  • 100% Quality Inspections

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Material 32
New Surplus 1
Total 33
Availability of this item was last updated on: 04/21/2026 06:04 PM EDT. Stock levels and pricing are subject to change.

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