Model: 7M637DA-20D

Tube Reducer

Properties:

Thread Class
3a all ends
Reducer Type
Concentric
Connection Style
Flared (tube) all ends
Connection Type
Threaded external tube all ends
Thready Qty Per Inch (tpi)
12 1st end
Thread Size
0.875 inches 2nd end
Thread Size
1.062 inches 1st end
Seat Angle
37.0 degrees all ends
Outside Diameter Tube Accommodated
0.625 inches 2nd end
Outside Diameter Tube Accommodated
0.750 inches 1st end
Reduced Passage Inside Diameter
0.484 inches 2nd end
Nominallength
2.000 inches
Material
Aluminum alloy
Surface Treatment
Aluminum
Surface Treatment Specification
Mil-c-83488, cl 3, type 2 military specification single treatment response
Thread Series Designator
Unf 2nd end
Thread Series Designator
Unj 1st end
Furnished Items And Quantity
1 tube coupling nut
Specification Data
76301-7-637 manufacturers standard
Nondefinitive Specification/std Data
An919 schedule and 20 size and d material
NSN
4730-01-156-0761
Part Number
7M637DA-20D
Description
Reducer,tube
CAGE
76301

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 7M637DA-20D NSN 4730-01-156-0761

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:
TH
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051400
UFC:
29700
LTL:
77.5
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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