2990-01-208-7868

Description: Exhaust Muffler

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Quality Assurance

We are commited to quality and satisfaction as a certified supplier in the aerospace and military industries.

  • Certificate of Conformity
  • QC Inspection prior to shipping
  • On time delivery
  • International Shipping Available
  • Friendly service to back every order
MILSPEC: Nonaircraft Miscellaneous Engine Accessories

 Export Restrictions

Any part(s) quoted or sold by MilSpec.parts and re-sold (to a third party) CANNOT be sold to a USA embargoed country, company, entity, or person(s). Depending on the ECCN, these commodities may require export license or exception. Diversion contrary to U.S. law is prohibited. Unless otherwise noted, this sale, order or quote may include Munitions List Items (MLI) or Commerce Controlled List Items (CCLI). MLI/CCLI property is controlled by the US Government and in many cases cannot be transferred (exported, sold or given) to a foreign country, a non-US Citizen/National or a non- Permanent US Resident without a valid State/Commerce Department export authorization. It is the responsibility of (the Purchaser) to determine what the applicable requirements may be, to obtain all necessary authorizations, licenses or approvals and are subject to both review and acceptance by MilSpec.parts. The use, disposition, export and re-export of the property covered or included in this sale, order or quote is subject to the provisions of law referenced in End-Use Certificate DLA form 1822, DEC 2001, including, but not limited to, the Arms Export Control Act (22 USC 2751 et seq.); Export Administration Act of 1979 (50 USC App. 2401 et seq.) as contained under Executive Order 12924; International Traffic in Arms Regulations (22 CFR 120 et seq.); Export Administration Regulations (15 CFR 730 et seq.); Foreign Assets Control Regulations (31 CFR 500 et seq.) and the Espionage Act (18 USC 793 et seq.)

2990-01-208-7868 Properties

  • NSN:
    2990-01-208-7868
  • Description:
    Exhaust Muffler
  • Shelf Life:
    N/A
  • DEMIL:
    NO
  • UOM:
    --
  • Overall Length:
    32.000 inches
  • Inlet Connection Type:
    Flange single inlet
  • Overall Diameter:
    Between 17.750 inches and 18.000 inches
  • End Application:
    Used on detroit diesel model 6v-53 aboard 44 ft coast guard vessels
  • Outlet Inside Diameter:
    6.000 inches single inlet
  • Design Type:
    Wet
  • Coolant Type:
    Water
  • Muffler Design:
    Multipass
  • Tube Quantity:
    4
  • Body Shape:
    Round
  • Operating Position:
    Any acceptable
  • Inlet Location:
    Equally spaced on bottom convex 10.500 ins. C to c single inlet
  • Inlet Projection Length:
    2.000 inches single inlet
  • Inlet Flange Shape:
    Round single inlet
  • Inlet Flange Mounting Provision And Quantity:
    8 holes single inlet
  • Inlet Flange Mounting Hole Diameter:
    0.750 inches single inlet
  • Inlet Flange Mounting Provision Spacing:
    7.1/2 in. C to c dim. Of bolt holes single inlet
  • Inlet Outside Diameter:
    9.000 inches single inlet
  • Inlet Inside Diameter:
    6.000 inches single inlet
  • Outlet Connection Type:
    Unthreaded single inlet
  • Outlet Location:
    Located on bottom vertical centered 90 degrees from inlets single inlet
  • Outlet Projection Length:
    4.000 inches single inlet
  • Outlet Outside Diameter:
    6.625 inches single inlet
  • Cubic Measure:
    5.000 cubic feet
  • Special Features:
    Min.Thickness of outside shell .125 in{ max.Exhaust outlet back pressure 5.5 hg at 800 rpms{ jacket water flow 77 gals per min. At 2300 rpms
  • Material:
    Stainless steel
Manufacturers and Part Numbers
Part Number
Brand
44MLB(S)4103-85
United States Coast Guard
Major Organizational Entities (MOE)
Entity
MOE Code
MOE Rule
PICA
DSOR
Part Identification
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 and Special Handling
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
Hazmat (HMIC): N
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Precious Metals (PMIC): A
Item does not contain precious metal.
Criticality (CRITL): X
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Packaging and Dimensions
Package Size
Package Weight
Part Weight
Part Dimensions (approx.)
Pack Size:
--
Pack Weight:
--
Item Weight:
--
Item Dim:
--
Container
OPI
SPI No.
SPI Rev.
Container:
OPI:
SPI No.:
SPI Rev.:
SPC Mkg.
LVL A
LVL B
LVL C
SPC Mkg.:
LVL A:
LVL B:
LVL C:
CUSH
MOP
CATEG.
PRESS MAT
CUSH:
MOP:
CATEG.:
PRESS MAT:
WRAP MAT
ICQ
THK
TOS
UCL
WRAP MAT:
ICQ:
THK:
TOS:
UCL:
Packaging Code Definitions
LVL A Code (LVL_A):
LVL B Code (LVL_B):
Procedure Indicator Code (OPI):
Special Markings Code (SPC MKG):
Method of Preservation (MOP):
Cushion Material (CUSH):
Preservation Material (PRESS MAT):