Model: 2578825-001A

Torsion Helical Spring

Properties:

Inside Diameter
1.259 inches
End Style
Straight end both ends
Spring Free Length
Between 1.240 inches and 1.300 inches
Center Section Width
0.612 inches
Coil Quantity
5-3/4
Coil Helix Direction
Right-hand or left-hand
Spring Deflection Rate
Between 3.940 pounds per inch and 4.820 pounds per inch
Spring Free Outside Diameter
1.381 inches
Coil Axis To Center Section Distance
1.159 inches
Center Loop Radius
0.245 inches
End Angular Relationship
End w/lh helix of coil angled to center section and end w/rh helix of coil angled to center section
End Length
1.280 inches both ends
End Length From Coil Axis To First Bend
0.630 inches both ends
End Length From First Bend To Second Bend Or End
0.650 inches both ends
End Tangent Angle
25.5 degrees
Center Tangent Angle
210.0 degrees
Center Style
V type, small
Material
Steel comp 631
Material Specification
Ams 5673 assn standard single material response
Surface Treatment
Passivate
Style Designator
Single torsion right hand
NSN
5360-00-757-5494
Part Number
2578825-001A
Description
Spring,helical,torsion
CAGE
55284

Part 2578825-001A NSN 5360-00-757-5494

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:
0.1000lbs
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:
177970
UFC:
87420
LTL:
NO RATING
LCL:
--
WCC:
579
TCC:
Z
SHC:
9
ACC:
Construction Materials

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