Model: 3711128

Key Washer

Special Features:

0.015 in radius both edges of internal key

Properties:

Hole Diameter
Between 0.211 inches and 0.214 inches
Outside Diameter
Between 0.283 inches and 0.285 inches
External Straight Key Width
Between 0.119 inches and 0.129 inches
Internal Straight Key Width
Between 0.039 inches and 0.042 inches
Distance From Centerline To Top Of Internal Key
Between 0.045 inches and 0.057 inches
Overall Distance Including Keys
Between 0.289 inches and 0.291 inches
External Key Quantity
6
Internal Key Quantity
1
Material Thickness
Between 0.060 inches and 0.064 inches
Material
Copper alloy 11
Material Specification
Qq-b-613 1/2 hard federal specification single material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response
Style Designator
Key
NSN
5310-00-470-3352
Part Number
3711128
Description
Washer,key
CAGE
98278

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.

Part 3711128 NSN 5310-00-470-3352

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01869
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:
194120
UFC:
95100
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
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

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