Model: BACW10BW54S

Key Washer

Special Features:

Internal keys 180.0 degrees apart offset 17 degrees 36 min 31 sec from center line of external keys

Properties:

Hole Diameter
Between 2.187 inches and 2.207 inches
Outside Diameter
Between 2.744 inches and 2.764 inches
External Straight Key Width
Between 0.150 inches and 0.170 inches
Internal Straight Key Width
Between 0.295 inches and 0.300 inches
Distance From Centerline To Top Of Internal Key
Between 0.890 inches and 0.910 inches
Overall Distance Including Keys
Between 2.934 inches and 2.954 inches
External Key Quantity
4
Internal Key Quantity
2
Material Thickness
Between 0.046 inches and 0.054 inches
Hardness Rating
Between 32.0 rockwell c and 36.0 rockwell c
Surface Finish
63.0 microinches bottom
Surface Finish
63.0 microinches top
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 4130 or steel comp 4340
Material Specification
Mil-s-18729 military specification 1st material response or ams 6415 assn standard 2nd material response
Surface Treatment
Phosphate
Surface Treatment Specification
Dod-p-16232, ty z, cl 4 military specification single treatment response
Style Designator
Key
NSN
5310-01-143-5051
Part Number
BACW10BW54S
Description
Washer,key
CAGE
77272

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 BACW10BW54S NSN 5310-01-143-5051

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:
A
ESD:
ESD:
MMAC:
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:
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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