Model: 28720

Compression Helical Spring

Properties:

Inside Diameter
Between 0.257 inches and 0.267 inches
End Style
E4 spring end, squared and ground both ends
End Style
Spring end, squared and ground both ends
Bore Diameter
Between 0.348 inches and 0.358 inches
Spring Free Length
0.404 inches
Accommodated Rod Diameter
Between 0.233 inches and 0.243 inches
Coil Quantity
4.5
Load Rating
Between 2.000 pounds and 2.500 pounds
Spring Solid Length
0.117 inches
Coil Helix Direction
Right-hand or left-hand
Spring Deflection Rate
9.140 pounds per inch
Spring Free Outside Diameter
Between 0.309 inches and 0.319 inches
Spring Length Under Load
0.158 inches
Material
Steel comp 302
Material Specification
Qq-w-432, cond b federal specification single material response
Surface Treatment
Passivate
Style Designator
Cylindrical
NSN
5360-00-337-4797
Part Number
28720
Description
Spring,helical,compression
CAGE
81982

Part 28720 NSN 5360-00-337-4797

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:
YP
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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