Model: 743B126

Extension Helical Spring

Properties:

Inside Diameter
Between 0.144 inches and 0.168 inches
End Style
Short twisted hook both ends
Spring Free Length
Between 0.716 inches and 0.772 inches
Coil Quantity
21
Design Type
Closed
Load Rating
Between 18.50 pounds and 21.50 pounds
Coil Helix Direction
Right-hand or left-hand
Spring Deflection Rate
88.000 pounds per inch
Spring Free Outside Diameter
Between 0.178 inches and 0.198 inches
Hook Radius
0.072 inches both ends and 0.084 inches both ends
Spring Length Under Load
1.159 inches
Coil To Hook Inside Length
0.144 inches both ends and 0.168 inches both ends
Material
Steel uns k08500
Material Specification
Qq-w-470 federal specification single material response
Surface Treatment
Cadmium and chromate
Style Designator
Cylindrical
NSN
5360-00-418-7042
Part Number
743B126
Description
Spring,helical,extension
CAGE
02101

Part 743B126 NSN 5360-00-418-7042

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04227
FIIG:
A02900
Concept No.:
App. Key:
AB
Cond. Code:
2
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:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
177940
UFC:
87400
LTL:
RATING VARIABLE
LCL:
--
WCC:
579
TCC:
Z
SHC:
9
ACC:
Construction Materials

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