178556

Lock Washer

NSN 5310-00-017-8556

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
000178556

Product Technical Spec.

Hole Diameter:
Between 0.384 inches and 0.398 inches
Outside Diameter:
Between 1.045 inches and 1.070 inches
Material Thickness:
Between 0.042 inches and 0.050 inches
Hardness Rating:
Between 40.0 rockwell c and 50.0 rockwell c
Material:
Steel comp 1060 or steel comp 1065 or steel comp 1070 or steel comp 1075 or steel comp 1080
Material Specification:
-qq-s-633 canc federal specification all material responses
Surface Treatment:
Cadmium or zinc
Style Designator:
Flat external and internal teeth
NSN:
5310-00-017-8556
Item Name:
Washer,helical Lock Spring
Cage Code:
7X677

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
178556
Cage Code:
12204
RNCC:
3
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
178556
Cage Code:
21450
RNCC:
5
RNVC:
2
RNAAC:
BF
Status:
A
MSDS:
SADC:
Part Number:
178556
Cage Code:
56442
RNCC:
5
RNVC:
9
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
38766
Cage Code:
53239
RNCC:
5
RNVC:
9
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
178556
Cage Code:
24617
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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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Helical Lock Spring Washer"

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:
AUSTRIA Austria
DSOR:
User:
REPUBLIC OF KOREA Republic of Korea
DSOR:
User:
ITALY Italy
DSOR:
User:
GREECE Greece
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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