Model: 11780253

Concave Washer

Properties:

Hole Diameter

Between 0.301 inches and 0.308 inches

Radius

1.000 inches

Outside Diameter

0.720 inches

Recess Diameter

0.524 inches

Material Thickness

Between 0.060 inches and 0.070 inches

End Application

Armament subsystem xm97e2

Surface Finish

63.0 microinches all surfaces

Material

Steel

Material Specification

Qq-s-764 cond b military specification single material response

Surface Treatment

Passivate

Style Designator

Concave

NSN

5310-01-076-2317

Part Number

11780253

Description

Washer,concave

CAGE

19200

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.

Part 11780253 NSN 5310-01-076-2317

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15930

FIIG:

A022B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

194160

UFC:

55210

LTL:

50.0

LCL:

50.0

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318220000
SITC: 69422
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Washers other than lock washers, iron or steel