Model: 31755-8D

Tube Nipple

Properties:

Thread Class
3a 2nd end
Thread Class
3a 1st end
Connection Style
Plain (tube) 1st end
Connection Style
Plain (tube) 2nd end
Leg Length
1.102 inches 1st end
Connection Type
Threaded external tube 1st end
Connection Type
Threaded external tube 2nd end
Thread Size
0.750 inches 1st end
Thread Size
0.750 inches 2nd end
Outside Diameter Tube Accommodated
0.500 inches 1st end
Outside Diameter Tube Accommodated
0.500 inches 2nd end
Reduced Passage Inside Diameter
0.660 inches 2nd end
Nominallength
1.914 inches
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6 t6 federal specification single material response or qq-a-225/6 t851 federal specification single material response
Style Designator
Plain w/ bulkhead thread
Thread Series Designator
Unef 1st end
Thread Series Designator
Unjf 2nd end
NSN
4730-01-186-4252
Part Number
31755-8D
Description
Nipple,tube
CAGE
14397

A straight, one-piece fitting used to join a tube or tube fitting to another tube or tube fitting. It may have any type externally threaded tube connections of the same size on both ends and is usually shaped externally at the center to accommodate a wrench. It may include nuts, sleeves, and/or grommets.

Part 31755-8D NSN 4730-01-186-4252

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03783
FIIG:
A080B0
Concept No.:
App. Key:
A
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:
A
ESD:
ESD:
MMAC:
SX
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:
052190
UFC:
30000
LTL:
RATING VARIABLE
LCL:
50.0
WCC:
576
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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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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