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Flat Washer

NSN: 5310-00-458-0895 | Model: F52638-127

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
5310-00-458-0895
DEMIL
NO
Cross Sectional Shape
Rectangular
Hole Diameter
Between 0.281 inches and 0.296 inches
Edge Shape
Round
Center Hole Shape
Round
Thickness
0.188 inches
Overall Diameter
Between 2.940 inches and 3.000 inches
Heat Treatment
T-4 solution heat treated, natural aged
Material
Aluminum alloy
Material Specification
Qq-a-325 federal specification single material response

Pricing and Availability

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NSN 5310-00-458-0895 Datasheet

Supply Class (FSC):
Nuts And Washers
Cross Reference:
  • F52638-127
Cage Codes:
  • The Boeing Company (CAGE 81205)
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

U - Precious metal content is unknown

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:

    576 - Metal and metal products, nos, (less than 35 feet)

  • 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:

    U - 50.0

  • LTL:

    U - 50.0

  • 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
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Sf9qs-n
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $1,773.09 to $2,955.15..
Does NSN 5310-00-458-0895 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
What is the NIIN of NSN 5310-00-458-0895?
004580895 or 00-458-0895
Does NSN 5310-00-458-0895 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-00-458-0895?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Feb 19, 1972