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Key Washer

NSN: 5310-00-020-9053 | Model: 2295486P1

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.

NSN Properties and Flags
NATO Stock Number
Hole Diameter
Between 0.211 inches and 0.220 inches
Outside Diameter
Between 0.294 inches and 0.298 inches
Internal Straight Key Width
Between 0.039 inches and 0.042 inches
Distance From Centerline To Top Of Internal Key
Between 0.049 inches and 0.059 inches
Internal Key Quantity
Material Thickness
Between 0.034 inches and 0.042 inches
Criticality Code Justification
Copper alloy
Material Specification
Qq-b-613b comp 3 federal specification single material response
Surface Treatment
Special Test Features
Navord od36190
Surface Treatment Specification
Qq-p-416 type 2 federal specification single treatment response
Style Designator
Reference Number Differentiating Characteristics
As differentiated by special test features

Inventory Check

The last inventory check on this NSN was done on 10/05/2022. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 1
  • New: 1

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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NSN 5310-00-020-9053 Datasheet

Supply Class (FSC):
Nuts And Washers
Cross Reference:
  • 2295486P1
Cage Codes:
  • Navair and Navsea Managed (CAGE 10001)
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.


A - Item does not contain precious metal.


- Represents items with no adp components


- The item has critical features such as tolerance, fit restrictions or application. nuclear hardness properties have not been determined (not valid for input).

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

  • LCL:

    W - Rating variable

  • 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
    Medium demand velocity items (consumables)

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $8.10 to $13.50..
Does NSN 5310-00-020-9053 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 Navy, and United Kingdom
What is the NIIN of NSN 5310-00-020-9053?
000209053 or 00-020-9053
Does NSN 5310-00-020-9053 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-00-020-9053?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963