Model: 121031

Exhaust Muffler

Properties:

Overall Length
15.563 inches
Inlet Connection Type
Threaded
Inlet Thread Direction
Right-hand
Overall Diameter
4.375 inches
Design Type
Dry
Coolant Type
Air
Muffler Design
Baffle
Baffle Quantity
2
Body Shape
Round
Operating Position
Horizontal
Inlet Location
Centrally located in end section of body
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
Threaded
Outlet Location
Centrally located in end section of body
Outlet Projection Length
2.875 inches
Outlet Thread Size
1-1/4-11-1/2
Outlet Thread Series Designator
Npt
Outlet Thread Direction
Right-hand
Outlet Thread Location
External
Material
Steel
Material
Steel
Surface Treatment
Paint
Surface Treatment
Paint
Fsc Application Data
Exhaust mufflers, engine, except aircraft and guided missile prime moving
NSN
2990-00-142-0760
Part Number
121031
Description
Muffler,exhaust
CAGE
50870

Part 121031 NSN 2990-00-142-0760

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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
6.7000lbs
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:
000000
UFC:
00000
LTL:
NO RATING
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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