NSN catalog · 90,963 partsCatalog › Engine Accessories › FSC 2990 › 2990-00-900-9688
Exhaust Muffler P/N MAM04-5071
In stock — 1 on our U.S. shelfNSN 2990-00-900-9688 2990009009688 NIIN 009009688
SECO Parts has 1 in stock of NSN 2990-00-900-9688 — Exhaust Muffler — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Government catalog (FEDLOG) price: $159.37 per each — a public reference, not our price. We quote each request, usually the same business day, and surplus parts often quote below or above it.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- Certificate of Conformance on request
- PO, GPC & major cards
- $50 minimum order — smaller requests still get a quote
- 30-day returns · terms
- FLIS item name
- MUFFLER,EXHAUST
- SECO description
- MUFFLER, EXHAUST
- Federal supply class
- FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 1 |
| Total | 1 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
2990-00-900-9688 009009688 MAM04-5071 B47466 B5-45-3165 MAM04-5055
Get a quote
Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.
More to tell us? Need-by date, ship-to, your own RFQ document
Specifications
- Inlet flange shape
- Single Inlet Oval
- Inlet flange mounting provision spacing
- 2.688 In. Center to Center Dim of Holes Single Inlet
- Outlet inside diameter
- First Outlet Inches Nominal 1.520
- Design type
- Dry
- Coolant type
- Air
- Muffler design
- Baffle
- Baffle quantity
- 1
- Inlet flange mounting provision and quantity
- Single Inlet Holes 2
- Inlet flange mounting hole diameter
- Single Inlet Inches Nominal 0.410
- Overall length
- 7.000 in (nominal)
- Center to center distance between mounting holes
- 688 In. Center to Center Dim of Holes
- Inlet connection type
- Single Inlet Flange
- Overall diameter
- 4.380 in (nominal)
- Outlet projection length
- First Outlet Inches Nominal 2.375
- Outlet outside diameter
- First Outlet Inches Nominal 1.620
- Material
- Location Not Otherwise Specified Steel
- Surface treatment
- Aluminum Alloy
- Fsc application data
- Miscellaneous Engine Accessories,Nonaircraft
- Tube quantity
- 2
- Body shape
- Round
- Operating position
- Vertical or Horizontal
- Inlet location
- Centrally in End Section of Body Single Inlet
- Inlet projection length
- Single Inlet Inches Nominal 1.000
- Outlet connection type
- First Outlet Unthreaded
- Outlet location
- 2-3/4 In. From and AT 90 Deg Angle to Inlet End First Outlet
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
MAM04-5071 B47466 B5-45-3165 MAM04-5055
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | SMS DLA Land and Maritime, Columbus, Ohio |
| Acquisition advice code | J Not stocked, centrally procured — the government does not stock this item; it is procured only when a requisition arrives. SECO has 1 on the shelf |
| Unit of issue | EA each |
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Controlled inventory code | U Unclassified |
| Hazardous material indicator | N No hazardous material |
Source: public FLIS/PUB LOG cataloging data.
Why buy from SECO
These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.
In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered
FAQ
What is NSN 2990-00-900-9688?
NSN 2990-00-900-9688 (2990009009688) — Exhaust Muffler: SECO Parts has 1 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for exhaust muffler in federal supply class 2990 (Miscellaneous Engine Accessories, Nonaircraft).
Is NSN 2990-00-900-9688 available?
SECO Parts has 1 in stock in Augusta, GA — order or request a quote below.
How much does NSN 2990-00-900-9688 cost?
The government catalog (FEDLOG) lists NSN 2990-00-900-9688 at $159.37 per each. That is a public reference, not SECO's price: SECO quotes each request, usually the same business day, and surplus parts often quote below or above it.
What part numbers cross-reference to NSN 2990-00-900-9688?
Part numbers that cross-reference this NSN include MAM04-5071, B47466, B5-45-3165, MAM04-5055. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names MUFFLER,EXHAUST. Same name is not the same part: check the part numbers.