Model: N407P7C

Lock Washer

Properties:

Hole Diameter
Between 0.141 inches and 0.151 inches
Outside Diameter
0.239 inches
Material Thickness
Between 0.025 inches and 0.031 inches
Hardness Rating
90.0 rockwell b
Material
Copper alloy
Material Specification
C4b1 fscm 30221 mfr ref single material response
Surface Treatment
Cadmium
Surface Treatment Specification
F70c1a fscm 09172 mfr ref single treatment response
Style Designator
Split helical-right hand
NSN
5310-00-565-6772
Part Number
N407P7C
Description
Washer,lock
CAGE
09172

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 N407P7C NSN 5310-00-565-6772

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:
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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