Model: 255AS143-1

Torsion Helical Spring

Special Features:

Coil helix other direction rh

Properties:

Inside Diameter
Between 0.344 inches and 0.375 inches
End Style
One hook end
Stock Diameter
0.072 inches
Spring Free Length
1.531 inches
Center Section Width
0.619 inches
Coil Quantity
2-1/2
Coil Helix Direction
Left-hand
Spring Deflection Rate
0.140 pounds per inch
Spring Free Outside Diameter
Between 0.488 inches and 0.519 inches
Coil Axis To Center Section Distance
1.866 inches
End Angular Relationship
End w/lh helix of coil parallel to center section and end w/rh helix of coil parallel to center section
End Length
1.172 inches both ends
Center Style
Square type
Material
Steel comp 302
Material Specification
Qq-w-423, cond b federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Double torsion, right and left hand
NSN
5360-00-340-2843
Part Number
255AS143-1
Description
Spring,helical,torsion
CAGE
30003

Part 255AS143-1 NSN 5360-00-340-2843

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04228
FIIG:
A02900
Concept No.:
1
App. Key:
BA
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:
U
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:
178040
UFC:
87460
LTL:
RATING VARIABLE
LCL:
--
WCC:
579
TCC:
Z
SHC:
9
ACC:
Construction Materials

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