Model: 4N21290-101A

Torsion Helical Spring
Description:

0.457 inches inside diameter, offset hinge end, left side end style, 8-1/2 coil quantity, right-hand or left-hand coil helix direction.

Properties:

Inside Diameter
0.457 inches
Hook Opening Width
0.120 inches
End Style
Offset hinge end, left side
Center Section Width
1.326 inches
Coil Quantity
8-1/2
Coil Helix Direction
Right-hand or left-hand
Spring Free Outside Diameter
0.583 inches
Coil Axis To Center Section Distance
0.497 inches
Hook Radius
0.100 inches first end
Hook Radius
0.115 inches both ends
End Angular Relationship
End w/lh helix of coil angled to center section and end w/rh helix of coil angled to center section
Material
Steel uns k08500
Material Specification
Qq-w-470 federal specification all material responses
Surface Treatment
Cadmium
Surface Treatment Specification
Fd30000 code c, cage 98897 mfr ref single treatment response
Style Designator
Single torsion right hand
NSN
5360-00-063-3903
Part Number
4N21290-101A
Description
Spring,helical,torsion
CAGE
98897

Part 4N21290-101A NSN 5360-00-063-3903

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:
10.0000lbs
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:
178020
UFC:
87470
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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