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Exhaust Muffler

NSN: 2990-00-316-4926 | Model: MNBS-12
NSN Properties and Flags
NATO Stock Number
2990-00-316-4926
DEMIL
NO
Overall Length
78.000 inches
Inlet Connection Type
Flange
Overall Diameter
33.750 inches
Design Type
Wet
Coolant Type
Water
Muffler Design
Any acceptable
Body Shape
Round
Operating Position
Any acceptable
Inlet Location
Offset in end section of @body above centerline
Inlet Projection Length
3.500 inches
Inlet Flange Mounting Provision And Quantity
18 holes
Inlet Flange Mounting Hole Diameter
0.812 inches
Inlet Flange Mounting Provision Spacing
16.062 in. Bolt circle dia
Outlet Connection Type
Flange
Outlet Location
Offset in end section of body below centerline opposite end of inlet
Outlet Projection Length
3.500 inches
Outlet Flange Shape
Round
Outlet Flange Mounting Provision And Quantity
18 holes
Outlet Flange Mounting Hole Diameter
0.812 inches
Outlet Flange Mounting Provision Spacing
16.062 in. Bolt circle dia
Water Inlet Connection Type
Flange
Water Inlet Location
On side in end section of inlet
Err Default
Err default
Water Inlet Flange Shape
Round
Water Inlet Flange Bolt Hole Spacing
6.562 in bc dia
Water Inlet Flange Bolt Hole Quantity
8
Water Inlet Flange Bolt Hole Diameter
0.562 inches
Material
Steel, corrosion resisting
Material
Stainless steel
Surface Treatment
Any acceptable

Pricing and Availability

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NSN 2990-00-316-4926 Datasheet

Supply Class (FSC):
Nonaircraft Miscellaneous Engine Accessories
Cross Reference:
  • MNBS-12
  • 12-MNBS
  • A7930
  • MUW2-24-12-12869
  • 15547-A
  • SW900-142
Cage Codes:
  • Beaird Industries Inc. (CAGE 11839)
  • Walz & Krenzer, Inc. (CAGE 87045)
Schedule B & Trade:
  • Schedule B: 8708925000 (NAICS 336390)

    Mufflers and exhaust pipes for vehicles, nesoi

  • SITC: 78439

    Parts and accessories n.E.S. For tractors, motor cars and other motor vehicles, trucks, public-transport vehicles and road motor vehicles, n.E.S.

  • End Use: 30230

    Other parts and accessories of vehicles

Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    125850 - Muffler/exhaust sys/pipe/etc

  • WCC:

    593 - Motors and parts, (machinery and parts),(less than 35 feet)

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    X
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    9b-----
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $6,313.34 to $10,522.23..
Does NSN 2990-00-316-4926 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Navy
What is the NIIN of NSN 2990-00-316-4926?
003164926 or 00-316-4926
Does NSN 2990-00-316-4926 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 2990-00-316-4926?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963