Model: 639AS627-8

Recessed Washer

Properties:

Hole Diameter

Between 0.096 inches and 0.097 inches

Outside Diameter

Between 0.141 inches and 0.146 inches

Recess Diameter

0.102 inches

Material Thickness

Between 0.0115 inches and 0.0125 inches

Recess Angle

90.0 degrees

Surface Finish

16.0 microinches bottom

Surface Finish

16.0 microinches top

Material

Copper alloy 260 or copper alloy 268

Material Specification

Qq-b-613, temper hard federal specification all material responses or qq-b-626, temper hard federal specification all material responses

Style Designator

15 recessed

NSN

5310-01-056-0182

Part Number

639AS627-8

Description

Washer,recessed

CAGE

30003

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 639AS627-8 NSN 5310-01-056-0182

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: 7415210000
SITC: 69432
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Copper washers including spring washers not threaded