Model: 4A1581

Helical Compression Spring Seat

Properties:

Countersink Angle In Deg
30.0
Chamfer Angle In Deg
60.0
Counterbore Diameter
1.6880 inches
Overall Height
1.0000 inches
First Step Diameter
2.0625 inches
First Step Length
0.2500 inches
Second Step Diameter
2.6875 inches
Bore Diameter
1.0625 inches
Seat Angle In Deg
37.0
Second End Diameter
2.5625 inches
Design Type
Solid
Countersink Diameter
1.7187 inches
End Diameter
1.1250 inches
Bore Taper In Deg
10.0
Distance From End To First Step
0.5625 inches
Material
Steel
Material
Steel
Style Designator
Seat
NSN
5340-00-831-1131
Part Number
4A1581
Description
Seat,helical Compression Spring
CAGE
55509

Part 4A1581 NSN 5340-00-831-1131

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
24328
FIIG:
T319-E
Concept No.:
App. Key:
EA
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
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:
0.4000lbs
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:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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