Model: B552-3101-9

Lock Washer

Special Features:

Washer has 8 lock tabs; 0.281 min, 0.343 max

Properties:

Hole Diameter
Between 0.612 inches and 0.781 inches
Material Thickness
0.062 inches
End Application
Seawolf class ssn, valve
Material
Nickel alloy 400
Material Specification
Qq-n-281, class a federal specification single material response
Style Designator
Flat external teeth
NSN
5310-01-495-2950
Part Number
B552-3101-9
Description
Washer,lock
CAGE
96169

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Part B552-3101-9 NSN 5310-01-495-2950

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
14218
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

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: 7508900000
  • SITC: 69975
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)

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