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.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
SX
CRITL:
X

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:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
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

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