Model: 6560-27

Lock Washer

Properties:

Hole Diameter
Between 0.141 inches and 0.151 inches
Outside Diameter
0.253 inches
Material Thickness
Between 0.025 inches and 0.031 inches
Material
Steel comp 1060 or steel comp 1065 or steel comp 1070 or steel comp 1075 or steel comp 1080
Material Specification
66, uns g10600 through uns g10800 federal standard all material responses
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification all treatment responses
Style Designator
Split helical-right hand
Specification Data
81348-ff-w-84 government specification and 88044-an935/canceled/ government standard
Nondefinitive Specification/std Data
A class and 1 style
NSN
5310-00-722-5621
Part Number
6560-27
Description
Washer,lock
CAGE
74025

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 6560-27 NSN 5310-00-722-5621

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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