Model: 8991256-2

Key Washer

Properties:

Hole Diameter
Between 0.801 inches and 0.816 inches
Outside Diameter
Between 1.110 inches and 1.140 inches
Internal Prebent Key Length
Between 0.062 inches and 0.093 inches
External Prebent Key Width
Between 0.146 inches and 0.166 inches
Internal Prebent Key Width
Between 0.156 inches and 0.176 inches
Overall Distance Including Keys
1.531 inches
External Key Quantity
11
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 1012 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1026 or steel comp 1527 or steel comp 1029 or steel comp 1030 or steel comp 1035 or steel comp 1023 or steel comp 1524 or steel comp 1025
Material
Steel comp 1010 or steel comp 1012 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1026 or steel comp 1527 or steel comp 1029 or steel comp 1030 or steel comp 1035 or steel comp 1023 or steel comp 1524 or steel comp 1025
Material Specification
66 federal standard all material responses
Surface Treatment
Cadmium or zinc
Surface Treatment Specification
Qq-p-416 ty2 cl3 federal specification 1st treatment response or qq-z-325 ty2 cl3 federal specification 2nd treatment response
Style Designator
Key
NSN
5310-00-226-5978
Part Number
8991256-2
Description
Washer,key
CAGE
49671

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 8991256-2 NSN 5310-00-226-5978

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:
573
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

End Items End applications NSN 5310-00-226-5978 is a component of

  • Main Feed Pumps
  • Jp-5 Aviation Fuels Systems
  • Fire Pumps
  • Stream (std. Tensioned Replenishment At Sea Method)
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  • Ticonderoga Class Cg (47)
  • 004320004
  • Tank Truck
  • 010297347
  • Tank Truck
  • 000632862
  • Aircraft Mooring Tie Down
  • 006213794
  • Displacement Gyroscope
  • 010382991
  • Radar Set

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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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