Model: 4177-20H

Tube Coupling Inverted Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Fabrication Method
Any acceptable
Casehardening Indicator
Not casehardened
Overall Length
0.750 inches
Thread Size
1-5/8-12
Tube Outside Diameter For Which Designed
1.250 inches
Seat Angle In Deg
33.0
Screw Thread Series Designator
Un
Width Across Flats
1.750 inches
Smallest Inside Diameter
1.260 inches
Material
Aluminum alloy
Material
Aluminum alloy
Surface Treatment
Anodize
Style Designator
Inverted nut, tube, flare
Surface Treatment
Anodized
NSN
4730-00-142-1581
Part Number
4177-20H
Description
Inverted Nut,tube Coupling
CAGE
77969

Part 4177-20H NSN 4730-00-142-1581

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03857
FIIG:
T385-B
Concept No.:
App. Key:
BA
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:
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:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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:
Equipment for Aircraft

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