Model: NAS1193E7C

Lock Washer

Special Features:

This is a complete device consiting of the -1 and -2 halves; material is 17-4ph crs, 150-170 ksi heat treat; there are 50 serrations equally spaced on the face of each of the two mating sides; the -1 side has accomidations for a lockwire, hole size is 0.062; -2 side has a 0.082 wide keyway extending into the center of the washer.

Properties:

Hole Diameter
Between 0.443 inches and 0.453 inches
Outside Diameter
Between 0.630 inches and 0.650 inches
Overall Height
0.123 inches
Part Name Assigned By Controlling Agency
Lcoking device, positive index
Material
Stainless steel
Style Designator
Two piece interlocking
NSN
5310-01-590-6120
Part Number
NAS1193E7C
Description
Washer,lock
CAGE

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 NAS1193E7C NSN 5310-01-590-6120

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:
A
ESD:
A
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:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 7318210000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Spring washers and other lock washers, iron or steel

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