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Flat Washer

NSN: 5310-00-167-0705 | Model: FF-W-92

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
Between 0.443 inches and 0.463 inches
Edge Shape
Center Hole Shape
Between 0.053 inches and 0.073 inches
Overall Diameter
Between 0.745 inches and 0.770 inches
Copper alloy 268 or copper alloy 11
Material Specification
Qq-b-613 federal specification all material responses
Nondefinitive Specification/std Data
A type and 2 grade and 3 class
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE5E319T091A 2019-04-08 PHPHC 510 HD
SPE5E319T5322 2018-12-17 PHPHC 430 HD
SPE5E319T2837 2018-11-13 PHPHC 306 HD
SPE5E318T3235 2017-12-12 PAA64 74 HD

Pricing and Availability

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NSN 5310-00-167-0705 Datasheet

Supply Class (FSC):
Nuts And Washers
Cross Reference:
  • FF-W-92
  • NAS1149B0763H
  • AN960B716
  • NAS1149B0763
  • NAS1149B763H
Cage Codes:
  • Federal Specifications (CAGE 81348)
  • National Aerospace Standards (CAGE 80205)
  • Aeronautical Standards Group (CAGE 88044)
Schedule B & Trade:
  • Schedule B: 7415210000 (NAICS 332722)

    Copper washers including spring washers not threaded

  • SITC: 69432

    Washers (including spring washers) and similar articles, not threaded, of copper

  • 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.


U - Precious metal content is unknown


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    194120 - Washers/gaskets/pckg dvcs noi

  • 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:

    W - Rating variable

  • 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 $31.06 to $51.77..
Does NSN 5310-00-167-0705 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, Department Of The Navy, U.s. Coast Guard, Brazil, Spain, Columbia, Singapore, Malaysia, Australia, Belgium, Canada, New Zealand, Republic Of Korea, United Kingdom, Netherlands, Portugal, Italy, Denmark, Greece, and Turkey
What is the NIIN of NSN 5310-00-167-0705?
001670705 or 00-167-0705
Does NSN 5310-00-167-0705 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-00-167-0705?
Solicitation SPE5E319T091A for qty 510 on 04/01/2019
When was this national stock number assigned to the federal catalog?
Jan 01, 1963