Model: A51K56520-11

Compression Helical Spring
Description:

0.518 inches inside diameter, e4 spring end, squared end style, 0.750 inches bore diameter, 1.410 inches spring free length, 56.0 rockwell c material hardness rating.

Properties:

Inside Diameter
Between 0.518 inches and 0.548 inches
End Style
E4 spring end, squared and ground both ends
End Style
Spring end, squared and ground both ends
Bore Diameter
0.750 inches
Spring Free Length
1.410 inches
Material Hardness Rating
Between 56.0 rockwell c and 59.0 rockwell c
Coil Quantity
7
Spring Solid Length
0.720 inches
Spring Solid Outside Diameter
0.715 inches
Coil Helix Direction
Right-hand or left-hand
Spring Deflection Rate
Between 45.000 pounds per inch and 55.000 pounds per inch
Spring Free Outside Diameter
Between 0.700 inches and 0.730 inches
Material
Steel comp 631
Material Specification
Ams 5673 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Gss7021, grumman aero space corporation mfr ref single treatment response
Style Designator
Cylindrical
NSN
5360-00-004-1418
Part Number
A51K56520-11
Description
Spring,helical,compression
CAGE
61174

Part A51K56520-11 NSN 5360-00-004-1418

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:
--
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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