Model: 1521-720

Compression Helical Spring

Properties:

Inside Diameter
Between 0.190 inches and 0.210 inches
End Style
E4 spring end, squared and ground both ends
End Style
Spring end, squared and ground both ends
Spring Free Length
Between 0.334 inches and 0.354 inches
Coil Quantity
5.5
Spring Solid Length
0.247 inches
Spring Solid Outside Diameter
0.300 inches
Coil Helix Direction
Right-hand or left-hand
Spring Deflection Rate
110.000 pounds per inch
Spring Free Outside Diameter
Between 0.280 inches and 0.300 inches
Material
Steel comp 631
Material Specification
Ams 5673 assn standard single material response
Surface Treatment
Passivate
Style Designator
Cylindrical
NSN
5360-00-119-6391
Part Number
1521-720
Description
Spring,helical,compression
CAGE

Part 1521-720 NSN 5360-00-119-6391

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
3.0000lbs
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:
177970
UFC:
87420
LTL:
NO RATING
LCL:
--
WCC:
579
TCC:
Z
SHC:
9
ACC:
Construction Materials

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