Model: AP21916

Tube Reducer

Properties:

Thread Class
3a all ends
Reducer Type
Concentric
End Application
Aircraft, viking s-3a.
Connection Style
Plain (tube) all ends
Connection Type
Threaded external tube all ends
Thread Size
1.312 inches 1st end
Thread Size
0.750 inches 2nd end
Outside Diameter Tube Accommodated
0.500 inches 2nd end
Outside Diameter Tube Accommodated
1.000 inches 1st end
Nominallength
1.640 inches
Material
Steel comp 304
Material Specification
Qq-s-763 federal specification single material response
Thread Series Designator
Unjf all ends
NSN
4730-01-436-2137
Part Number
AP21916
Description
Reducer,tube
CAGE
30974

A straight tube fitting having a different size connection on each end. It is designed to join two tubes of different sizes. Excludes bushing (as modified).

Part AP21916 NSN 4730-01-436-2137

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
08506
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:
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:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 7307994000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Other fittings nesoi of alloy steel not stainless

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