Model: 20175

Packing Nut

Properties:

Thread Class
2a
Thread Length
0.859 inches
Casehardening Indicator
Not casehardened
Overall Length
1.500 inches
Thread Size
3-1/4-12
Largest Inside Diameter
Between 2.810 inches and 2.815 inches
Screw Thread Series Designator
Unf
Width Across Flats
2.875 inches
Smallest Inside Diameter
Between 2.503 inches and 2.505 inches
Major Unthreaded Outside Diameter
3.125 inches
Material
Bronze
Material
Copper alloy
NSN
4730-00-139-4524
Part Number
20175
Description
Packing Nut
CAGE
13841

Part 20175 NSN 4730-00-139-4524

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
18028
FIIG:
T385-E
Concept No.:
App. Key:
EA
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:
SX
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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