901-74

Lock Washer

NSN 5310-00-197-3137

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
001973137

Technical Specifications of NSN

Hole Diameter:
Between 0.195 inches and 0.204 inches
Outside Diameter:
Between 0.377 inches and 0.394 inches
Material Thickness:
Between 0.016 inches and 0.020 inches
Countersink Angle:
Between 95.0 degrees and 105.0 degrees
Surface Treatment:
Cadmium
Surface Treatment Specification:
Qq-p-416, type 2, cl 3 federal specification single treatment response
Style Designator:
Countersink external teeth
NSN:
5310-00-197-3137
Item Name:
Domed Lockwasher
Cage Code:
F0450

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
AN936D10
Cage Code:
88044
RNCC:
2
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
1510-05
Cage Code:
78189
RNCC:
5
RNVC:
9
RNAAC:
XX
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
14218
FIIG:
A022B0
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Part Materials

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:
194160
UFC:
55210
LTL:
50.0
LCL:
50.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Definition Definition of approved item name (AIN): "Domed Lockwasher"

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

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