Model: 220294-1

Recessed Washer

Properties:

Hole Diameter

Between 0.550 inches and 0.570 inches

Outside Diameter

Between 1.123 inches and 1.124 inches

Recess Diameter

Between 0.800 inches and 0.820 inches

Recess Depth

Between 0.003 inches and 0.010 inches

Material Thickness

Between 0.026 inches and 0.036 inches

Recess Angle

90.0 degrees

Heat Treatment

T-4 solution heat treated, natural aged

Material

Aluminum alloy 6061

Material Specification

Qq-a-250/11, t4 federal specification single material response or qq-a-225/8, t4 federal specification single material response

Surface Treatment

Phosphate

Style Designator

15 recessed

Style Designator

Recessed

NSN

5310-00-162-2542

Part Number

220294-1

Description

Washer,recessed

CAGE

33068

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 220294-1 NSN 5310-00-162-2542

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:

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:

194160

UFC:

55210

LTL:

50.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7616108000
SITC: 69440
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Cotters, cotter-pins, washers and similar articles, of aluminum