Model: 20663

Compression Helical Spring

Special Features:

Max stress 146000 psi; stress at working lg 58000 psi; deflection lg 0.120 in.; 1.26 wahl factor; 5.860 mean diameter to wire diameter index; all characteristics data proprietary

Properties:

Inside Diameter
0.203 inches
End Style
E4 spring end, squared and ground both ends
Bore Diameter
0.310 inches
Spring Free Length
0.605 inches
Accommodated Rod Diameter
0.195 inches
Coil Quantity
8 1/2
Spring Solid Length
0.374 inches
Spring Solid Outside Diameter
0.306 inches
Coil Helix Direction
Right-hand or left-hand
Spring Deflection Rate
Between 48.000 pounds per inch and 52.000 pounds per inch
Spring Free Outside Diameter
0.302 inches
Material
Stainless steel
Material Specification
Comp 17-7ph, cond c, armco steel corporation mfr ref single material response or e-66, type 17-7ph, moog inc mfr ref single material response or 17-7ph, armco steel corporation mfr ref single material response or 17-7-h, cond c, cold drawn, armco steel corporation mfr ref single material response
Style Designator
Cylindrical
Supplementary Features
Heat treat/stress relieve per mil-h-6875
NSN
5360-01-130-3765
Part Number
20663
Description
Spring,helical,compression
CAGE
59211

Part 20663 NSN 5360-01-130-3765

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04226
FIIG:
A02900
Concept No.:
1
App. Key:
AA
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:
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:
178020
UFC:
87470
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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