Model: R3187

Lock Washer
Description:

0.256 inches hole diameter, 0.494 inches outside diameter, 0.023 inches material thickness, steel comp 1060 or steel comp 1065 or steel comp 1070 or steel comp 1075 or steel comp 1080 material.

Properties:

Hole Diameter
Between 0.256 inches and 0.267 inches
Outside Diameter
Between 0.494 inches and 0.510 inches
Material Thickness
Between 0.023 inches and 0.028 inches
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
Style Designator
Flat external teeth
Nondefinitive Specification/std Data
B type
NSN
5310-00-011-4604
Part Number
R3187
Description
Washer,lock
CAGE
35311

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 R3187 NSN 5310-00-011-4604

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

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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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