Model: 181D1-8

Tube Coupling Inverted Nut

Special Features:

Weapon system essential

Properties:

Thread Class
2a
Thread Direction
Right-hand
Fabrication Method
Any acceptable
Casehardening Indicator
Not casehardened
Overall Length
0.500 inches
Thread Size
5/16-24
Tube Outside Diameter For Which Designed
0.125 inches
End Application
Support equipment--c-5 aircraft, t-38 aircraft, b-52 aircraft, t-37 aircraft, ov-10a aircraft; aircraft, f-16; shop equipment, contact maint, trk-mtd, set 3, tam b19457; tractor, flightline towing
Seat Radius
0.219 inches
Screw Thread Series Designator
Unf
Width Across Flats
0.313 inches
Smallest Inside Diameter
0.128 inches
Criticality Code Justification
Feat
Material
Brass
Material
Copper alloy
Style Designator
Inverted nut, tube, compression
NSN
4730-00-278-5490
Part Number
181D1-8
Description
Inverted Nut,tube Coupling
CAGE
30327

Part 181D1-8 NSN 4730-00-278-5490

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:
SX
CRITL:
Y

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:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093460
UFC:
48930
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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