Model: 888333 1/4

Recessed Washer

Properties:

Hole Diameter

Between 0.238 inches and 0.242 inches

Outside Diameter

Between 0.490 inches and 0.510 inches

Material Thickness

Between 0.090 inches and 0.110 inches

Recess Angle

90.0 degrees

Material

Rubber fluorosilicone class fq sealing element

Material

Steel comp 4130 body

Material Specification

Mil-r-25988 military specification single material response sealing element

Material Specification

Mil-s-18729 military specification single material response body or mil-s-6758 military specification single material response body

Surface Treatment

Nickel body

Surface Treatment Specification

Mil-c-26074, cl2, grb military specification single treatment response body

NSN

5310-01-391-9112

Part Number

888333 1/4

Description

Washer,recessed

CAGE

83259

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

Part 888333 1/4 NSN 5310-01-391-9112

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15933

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

576

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