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Concave Washer

Model / MPN: LE153-0002-0004 | NSN: 5310-01-646-0116
ITAR Registered seal

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also washer (1), convex. Excludes washer (1), recessed and bearing, washer, thrust.

Product Details
NATO Stock Number
5310-01-646-0116
Sold in multiples of
1 EA
DEMIL
Hole Diameter
Between 0.335 inches and 0.345 inches
Radius
Between 0.290 inches and 0.310 inches
Outside Diameter
Between 0.505 inches and 0.515 inches
Recess Depth
0.054 inches
Material Thickness
Between 0.090 inches and 0.115 inches
End Application
B1-bacft
Material
Steel
Material Specification
Ams6358 assn standard single material response or ams6322 assn standard single material response
Style Designator
Concave
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E716T0553 Washer, Concave 25 EA 10/26/2015
SPE5E717T4872 Washer, Concave 573 EA 02/08/2017
SPE5E718T4836 Washer, Concave 909 EA 02/13/2018
SPE5E718Q0237 Washer, Concave 573 EA 03/13/2018
SPE5E718T8415 Washer, Concave 827 EA 05/10/2018
SPE5E718T030G Washer, Concave 392 EA 06/26/2018
SPE5E719T8977 Washer, Concave 610 EA 04/19/2019
SPE5E720T1024 Washer, Concave 3250 EA 11/04/2019
SPE5E720T1025 Washer, Concave 1108 EA 11/04/2019
SPE5E720T5757 Washer, Concave 1498 EA 03/23/2020
SPE5EM21T2276 Washer, Concave 2400 EA 03/16/2021

Pricing and Availability

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LE153-0002-0004 Cross Reference
  • K39787-4