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Flat Washer

NSN: 5310-00-764-9564 | Model: NAS620C4162

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes disk, valve, graphite impregnated and lubricated items.

NSN Properties and Flags
NATO Stock Number
Cross Sectional Shape
Hole Diameter
0.255 inches
Edge Shape
Center Hole Shape
0.032 inches
Overall Diameter
0.468 inches
End Application
W/s: missile, advanced medium range air-to-air (amraam)/aim120a; support equipment, b-1 aircraft; radar set, an/tpn-18; aircraft (ac-130h, mc-130h, ec-130e, hc-130); countermeasure set, an/slq-32; an/usg-2/3 cooperative engagement capability; airborne mobile dir air spt ctl (2id)(02m jul83)(an/uyq-3a); support equipment, b-52 aircraft; test consoles, mini-sace; trainer, b-1b aircraft; mrap - cougar
Stainless steel
Material Specification
Qq-s-766, cond a federal specification single material response
Surface Treatment
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE5EC18T1830 2018-09-05 PAA91 2887 HD

Pricing and Availability

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NSN 5310-00-764-9564 Datasheet

Supply Class (FSC):
Nuts And Washers
Cross Reference:
  • NAS620C4162
  • NAS620CH16L
  • 306-001-0025
  • 310-0740-600
  • NAS620C416L
  • 9336C2008-15
  • PW026-416L
  • 92083-15
  • NAS620C416L
  • 99338-15
  • A370-113-15
  • 947620-4141
  • 153-0183-015
  • 10121658
  • 2504638-15
  • 5310007649564
  • ASC1563336
  • PW026-416L
  • 9336C2008-15
Cage Codes:
  • Zf Industrieantriebe Witten Gmbh (CAGE D9182)
  • Allmetal Screw Products Corp. (CAGE 70318)
  • Rockwell Collins, Inc. (CAGE 13499)
  • Aranjuez Indra Sistemas Sa (CAGE 0178B)
  • Bae Systems Information and (CAGE 94117)
  • National Aerospace Standards (CAGE 80205)
  • Eaton Industrial Corporation (CAGE 59875)
  • Raytheon Company (CAGE 82577)
  • Seastrom Manufacturing Co., Inc. (CAGE 86928)
  • Northrop Grumman Systems Corporation (CAGE 06481)
  • Litton Business Systems Ltd (CAGE K2493)
  • Nimikkeistokeskus Ncb Finland (CAGE A486G)
  • Honeywell International Inc. (CAGE 07187)
  • E.c.a Etablissement (CAGE SCY13)
  • Asc Pty Ltd (CAGE Z4779)
  • Small Lot Stamping Div Of Vsi Corp (CAGE 13783)
  • Lockheed Corp (CAGE 87557)
  • 5310-00-764-9564 replaces 5310-00-119-7497
  • 5310-00-764-9564 replaces 5310-00-205-9160
  • 5310-00-764-9564 replaces 5310-00-217-1851
  • 5310-00-764-9564 replaces 5310-00-220-6438
  • 5310-00-764-9564 replaces 5310-00-450-4155
  • 5310-00-764-9564 replaces 5310-01-157-6810
Schedule B & Trade:
  • Schedule B: 7318220000 (NAICS 332722)

    Washers other than lock washers, iron or steel

  • SITC: 69422

    Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, not threaded, of iron or steel

  • End Use: 12300

    Finished metal shapes


N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.


A - Item does not contain precious metal.


- The item is an aviation critical safety item/flight safety critical aircraft part (acsi/fscap).

Freight Information:
  • NMFC:

    194160 - Washer or gaskets, iron or steel,

  • WCC:

    713 - Metal hardware

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater

  • LTL:

    U - 50.0

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $7.01 to $11.68..
Does NSN 5310-00-764-9564 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Department Of The Air Force, U.s. Marine Corps, Department Of The Navy, U.s. Coast Guard, National Weather Service, National Aeronautics and Space Administration, National Aeronautics and Space Administration, Austria, Finland, Hungary, Lithuania, Poland, Romania, Bulgaria, Czech Republic, Brazil, Spain, Columbia, Israel, Singapore, Morocco, Malaysia, Australia, Belgium, Canada, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Netherlands, Portugal, Italy, Denmark, Norway, Greece, Turkey, and Nato Maintenance and Supply Agency
What is the NIIN of NSN 5310-00-764-9564?
007649564 or 00-764-9564
Does NSN 5310-00-764-9564 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-00-764-9564?
Solicitation SPE5EC18T1830 for qty 2887 on 08/29/2018
When was this national stock number assigned to the federal catalog?
Jan 01, 1960