Model: B2769

Shouldered And Recessed Washer

Properties:

Hole Diameter

Between 2.678 inches and 2.698 inches

Shoulder Diameter

Between 2.774 inches and 2.777 inches

Outside Diameter

Between 3.618 inches and 3.623 inches

Shoulder Height

Between 0.031 inches and 0.036 inches

Material Thickness

Between 0.073 inches and 0.083 inches

Hardness Rating

Between 44.0 rockwell c and 46.0 rockwell c

Recess Angle

90.0 degrees

Surface Finish

64.0 microinches all surfaces

Heat Treatment

Normalized

Material

Steel comp e4340

Material Specification

Mil-s-5000 military specification single material response

Style Designator

Shouldered and recessed

NSN

5310-00-901-9830

Part Number

B2769

Description

Washer,shouldered And Recessed

CAGE

17472

A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing, sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

Part B2769 NSN 5310-00-901-9830

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15935

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:

573

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