Model: 3277845

Shouldered And Recessed Washer

Properties:

Hole Diameter
Between 0.4045 inches and 0.4055 inches
Shoulder Diameter
Between 0.615 inches and 0.635 inches
Outside Diameter
Between 1.052 inches and 1.072 inches
Shoulder Height
Between 0.033 inches and 0.036 inches
Material Thickness
Between 0.082 inches and 0.084 inches
Recess Angle
90.0 degrees
Material
Steel comp 1020
Material Specification
Sae assn standard single material response
Style Designator
Shouldered and recessed
NSN
5310-00-272-6440
Part Number
3277845
Description
Washer,shouldered And Recessed
CAGE
55380

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 3277845 NSN 5310-00-272-6440

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:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
LCL:
50.0
WCC:
713
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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