NAS1640-4

Lock Washer

NSN 5310-00-442-6913

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
004426913

Technical Specifications of NSN

Hole Diameter:
Between 0.115 inches and 0.124 inches
Outside Diameter:
0.212 inches
Material Thickness:
Between 0.025 inches and 0.031 inches
Hardness Rating:
Between 35.0 rockwell c and 45.0 rockwell c
Material:
Stainless steel
Material Specification:
Fed standard 66, crew 300 series military standard single material response
Surface Treatment:
Passivate
Surface Treatment Specification:
Qq-p-35 federal specification single treatment response
Style Designator:
Split helical-right hand
Nondefinitive Specification/std Data:
C class
NSN:
5310-00-442-6913
Item Name:
Domed Lockwasher
Cage Code:
80205

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
FFW84
Cage Code:
81348
RNCC:
4
RNVC:
1
RNAAC:
KE
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

MOE Major Organizational Entities

Entity
DSOR
User:
BRAZIL Brazil
DSOR:
User:
SPAIN Spain
DSOR:
User:
SINGAPORE Singapore
DSOR:
User:
CANADA Canada
DSOR:
User:
GERMANY Germany
DSOR:
User:
PORTUGAL Portugal
DSOR:
User:
ITALY Italy
DSOR:
User:
GREECE Greece
DSOR:
User:
TURKEY Turkey
DSOR:
User:
NATO MAINTENANCE AND SUPPLY AGENCY NATO Maintenance and Supply Agency
DSOR:
Import / Export
  • Schedule B: 7318210000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Classification: Spring washers and other lock washers, iron or steel


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