Model: WD74A

Exhaust Muffler

Properties:

Overall Length
6.625 inches
Inlet Connection Type
Threaded
Inlet Thread Direction
Right-hand
Overall Diameter
5.625 inches
End Application
Grumman aircraft, model a10
Outlet Inside Diameter
1.223 inches
Design Type
Dry
Coolant Type
Air
Muffler Design
Multipass
Tube Quantity
2
Body Shape
Round
Operating Position
Vertical or horizontal
Inlet Location
Located 1-1/2 in. C to c from horizontal centerline
Inlet Projection Length
1.125 inches
Inlet Thread Size
1-1/4-11-1/2
Inlet Thread Series Designator
Npt
Inlet Thread Location
External
Outlet Connection Type
Unthreaded
Outlet Location
Centrally located in end section of body
Outlet Projection Length
0.875 inches
Outlet Outside Diameter
1.344 inches
Material
Steel
Material
Steel
Surface Treatment
Aluminum
Surface Treatment
Aluminum
Fsc Application Data
1. Exhaust system, engine, nonaircraft
NSN
2990-00-836-1191
Part Number
WD74A
Description
Muffler,exhaust
CAGE
66289

Part WD74A NSN 2990-00-836-1191

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
10849
FIIG:
T135-C
Concept No.:
1
App. Key:
CA
Cond. Code:
2
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:
SU
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
4.3000lbs
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:
125850
UFC:
61440
LTL:
RATING VARIABLE
LCL:
--
WCC:
586
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Phone: +1 470-231-0824
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Schedule B and Export
  • Schedule B: 8708925000
  • SITC: 78439
  • End Use: Other parts and accessories of vehicles
  • NAICS: 336390
  • USDA: 1

Freight Class: Mufflers and exhaust pipes for vehicles, nesoi

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