Model: 3-4NPC58

Key Washer

Properties:

Hole Diameter
Between 0.406 inches and 0.421 inches
Outside Diameter
Between 0.625 inches and 0.640 inches
Internal Prebent Key Length
Between 0.062 inches and 0.093 inches
External Prebent Key Width
Between 0.108 inches and 0.122 inches
Internal Prebent Key Width
Between 0.110 inches and 0.120 inches
Overall Distance Including Keys
0.875 inches
External Key Quantity
9
Material Thickness
Between 0.038 inches and 0.046 inches
Hardness Rating
Between 50.0 rockwell b and 81.0 rockwell b
Material
Steel comp 1010 or steel comp 4320h or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019
Material
Steel comp 1010 or steel comp 4320h or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019
Material Specification
Sae assn standard all material responses
Style Designator
Key
Departure From Cited Document
As modified by externalprebent key width
NSN
5310-00-186-0959
Part Number
3-4NPC58
Description
Washer,key
CAGE
47496

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 3-4NPC58 NSN 5310-00-186-0959

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318220000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Washers other than lock washers, iron or steel

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