Model: 731857-103

Tube Coupling Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Fabrication Method
Any acceptable
Nut Style
Tube coupling
Nut Height
0.594 inches
End Application
Grumman a10 aircraft, 45n aircraft, prowler ea-6b
Width Across Flats
0.438 inches
Length To Shoulder
0.506 inches
Smallest Inside Diameter
Between 0.242 inches and 0.245 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
24
Thread Size
0.375 inches
Tube Outside Diameter
0.188 inches
Material
Aluminum alloy
Surface Treatment
Anodize
Nondefinitive Specification/std Data
An818-3d type
NSN
4730-00-497-4458
Part Number
731857-103
Description
Nut,tube Coupling
CAGE
56232

An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes nut (1), tube coupling, reducing; and nut (1), union.

Part 731857-103 NSN 4730-00-497-4458

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03859
FIIG:
A021A0
Concept No.:
1
App. Key:
CX
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:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
2.6000lbs
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:
013540
UFC:
05680
LTL:
70.0
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7609000000
  • SITC: 68427
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Freight Class: Aluminum tube or pipe fittings (couplings,elbows sleeves)

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