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Flat Washer

NSN: 5310-00-477-8999 | Model: 153-9
ITAR Registered seal

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 micro inch (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
5310-00-477-8999
DEMIL
Yes - ITAR Controlled
Cross Sectional Shape
Rectangular
Hole Diameter
Between 1.790 inches and 1.810 inches
Edge Shape
Round
Center Hole Shape
Round
Thickness
Between 0.022 inches and 0.042 inches
Overall Diameter
Between 2.625 inches and 2.633 inches
Material
Steel comp 1010
Material Specification
Aisi assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ams 2400 assn standard single treatment response

Pricing and Availability

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NSN 5310-00-477-8999 Datasheet

Supply Class (FSC):
Nuts And Washers
Cross Reference:
  • 153-9
  • 755 964
Cage Codes:
  • Hannifin Corporation Parker (CAGE 33269)
  • Piper Aircraft Inc. (CAGE 77294)
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

Identification:
HMIC

N - Indicates there is no data in the humors 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:

    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.

  • LCL:

    S - 60.0

  • ACC:

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

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 5310-00-477-8999 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Brazil, Spain, Malaysia, and Turkey
What is the NIIN of NSN 5310-00-477-8999?
004778999 or 00-477-8999
Does NSN 5310-00-477-8999 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-00-477-8999?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
May 18, 1970