Model: 4M6880

Shouldered And Recessed Washer

Properties:

Hole Diameter
0.290 inches
Shoulder Diameter
0.562 inches
Outside Diameter
1.562 inches
Recess Diameter
Between 0.3075 inches and 0.3091 inches
Shoulder Height
0.063 inches
Material Thickness
0.156 inches
Recess Angle
90.0 degrees
Material
Steel comp 303
Style Designator
Shouldered and recessed
NSN
5310-00-921-7274
Part Number
4M6880
Description
Washer,shouldered And Recessed
CAGE
11083

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 4M6880 NSN 5310-00-921-7274

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:
129920
UFC:
65750
LTL:
85.0
LCL:
85.0
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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