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Worldwide distributor of NSN parts and consumables located in the USA.

Flat Washer

Model / MPN: 2.750ODX1.250ID X0.165THK CRES3 | NSN: 5310-01-389-7006
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 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.

Product Details
NATO Stock Number
5310-01-389-7006
Sold in multiples of
50 EA
DEMIL
NO
Cross Sectional Shape
Rectangular
Hole Diameter
Between 1.243 inches and 1.280 inches
Edge Shape
Round
Center Hole Shape
1 round
Thickness
Between 0.136 inches and 0.192 inches
Overall Diameter
Between 2.743 inches and 2.805 inches
Material
Steel comp 316
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Departure From Cited Document
Asmodified by material
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E715TD063 Washer, Flat 388 EA 09/28/2015
SPE5E717T8813 Washer, Flat 127 EA 04/28/2017
SPE5E717TC643 Washer, Flat 109 EA 08/07/2017
SPE5E718T1793 Washer, Flat 109 EA 11/16/2017
SPE5E718T157J Washer, Flat 103 EA 09/06/2018

Pricing and Availability

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2.750ODX1.250ID X0.165THK CRES3 Cross Reference
  • MS15795-828 CRE S 316
  • MS15795-828
  • MS15795-828