Model: B509001048-1

Recessed Washer

Properties:

Hole Diameter

Between 0.285 inches and 0.286 inches

Outside Diameter

Between 0.622 inches and 0.628 inches

Overall Height

Between 0.030 inches and 0.036 inches

Recess Depth

Between 0.025 inches and 0.029 inches

Material Thickness

Between 0.011 inches and 0.013 inches

Min. Tensile Strength (psi)

185000 pounds per square inch

Hardness Rating

39.0 rockwell c

Surface Finish

63.0 microinches all surfaces

Material

Copper alloy

Material Specification

Qq-c-533 half hard federal specification single material response

Style Designator

Recessed

NSN

5310-00-140-7954

Part Number

B509001048-1

Description

Washer,recessed

CAGE

14804

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 B509001048-1 NSN 5310-00-140-7954

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:

194120

UFC:

95100

LTL:

RATING VARIABLE

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