Model: 21978H

Compression Helical Spring

Properties:

Inside Diameter
0.375 inches
End Style
E4 spring end, squared and ground both ends
End Style
Spring end, squared and ground both ends
Bore Diameter
0.531 inches
Spring Free Length
1.250 inches
Accommodated Rod Diameter
0.313 inches
Coil Quantity
9
Load Rating
Between 16.830 pounds and 20.570 pounds
Spring Solid Outside Diameter
0.500 inches
Coil Helix Direction
Right-hand or left-hand
Spring Free Outside Diameter
0.500 inches
Spring Length Under Load
0.750 inches
Material
Steel
Style Designator
Cylindrical
NSN
5360-00-378-7218
Part Number
21978H
Description
Spring,helical,compression
CAGE
29510

Part 21978H NSN 5360-00-378-7218

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:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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:
Trailers/Vehicles

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