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Flat Washer

NSN: 5310-00-894-4985 | Model: 211A186-1

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
5310-00-894-4985
DEMIL
NO
Cross Sectional Shape
Rectangular
Hole Diameter
2.375 inches
Edge Shape
Round
Center Hole Shape
1 round
Thickness
0.032 inches
Overall Diameter
3.172 inches
Heat Treatment
T-4 solution heat treated, natural aged
Material
Aluminum alloy 2024
Material Specification
Qq-a-250/4 federal specification single material response

Pricing and Availability

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NSN 5310-00-894-4985 Datasheet

Supply Class (FSC):
Nuts And Washers
Cross Reference:
  • 211A186-1
  • 211A186-1
Cage Codes:
  • Em Aerospace Corporation Jay (CAGE 23233)
  • Continental Tire The Americas, Llc (CAGE 73808)
Schedule B & Trade:
  • Schedule B: 7616108000 (NAICS 332722)

    Cotters, cotter-pins, washers and similar articles, of aluminum

  • SITC: 69440

    Nails, tacks, staples (excluding staples in strips for office etc. Use), screws, bolts, nuts, rivets, washers and similar articles, of aluminum

  • End Use: 12300

    Finished metal shapes

Identification:
HMIC

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

PMIC

S - Item contains silver.

CRITL

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

Freight Information:
  • NMFC:

    194160 - Washer or gaskets, iron or steel,

  • WCC:

    573 - Bolts or nuts (iron or steel),(less than 35 feet)

  • ADC:

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

  • LCL:

    U - 50.0

  • LTL:

    U - 50.0

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • SHC:

    Z - Other or no special handling required (sh)

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    J
  • Quantity per pack
    10
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Sf9---n
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $112.67 to $187.79..
Does NSN 5310-00-894-4985 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 Air Force, Republic Of Korea, Greece, and Turkey
What is the NIIN of NSN 5310-00-894-4985?
008944985 or 00-894-4985
Does NSN 5310-00-894-4985 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-00-894-4985?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Apr 19, 1968