NSN catalog · 90,963 partsCatalog › Engine Accessories › FSC 2990 › 2990-00-788-5306
Exhaust Muffler P/N T8402
In stock — 8 on our U.S. shelfNSN 2990-00-788-5306 2990007885306 NIIN 007885306
SECO Parts has 8 in stock of NSN 2990-00-788-5306 — Exhaust Muffler — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Typical price: $65–$115 each — an estimate from the government catalog price and what we have charged for similar parts. Not a quote: request one for your price. Quote lines carry a $50 minimum.
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 ASSY.
- Federal supply class
- FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 6 |
| Serviceable | SV | 2 |
| Total | 8 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
2990-00-788-5306 007885306 T8402 8737720
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
- Operating position
- Horizontal
- Inlet projection length
- Single Inlet Inches Nominal 2.062
- Overall diameter
- 7.125 in (nominal)
- Outlet inside diameter
- First Outlet Inches Nominal 2.500
- Muffler design
- Baffle
- Baffle quantity
- 2
- Tube quantity
- 2
- Body shape
- Round
- Design type
- Dry
- Outlet projection length
- First Outlet Inches Nominal 2.062
- Outlet outside diameter
- First Outlet Inches Nominal 2.625
- Nonconnection outlet type and quantity
- Slotted 5
- Nonconnection outlet location
- Located on Circ.
- Inlet location
- Centrally Located in End Section of Body Single Inlet
- Overall length
- 23.375 in (nominal)
- Inlet connection type
- Single Inlet Unthreaded
- Inlet inside diameter
- Single Inlet Inches Nominal 3.500
- Coolant type
- Air
- Nonconnection outlet size
- 1.250 In. LG BY 0.125 In. W
- Outlet connection type
- First Outlet Unthreaded
- Material
- Location Not Otherwise Specified Steel
- Surface treatment
- Aluminum
- Outlet location
- Centrally Located in End Section of Body First Outlet
- Inlet outside diameter
- Single Inlet Inches Nominal 3.625
- Fsc application data
- Exhaust System,Engine,Nonaircraft
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
T8402 8737720
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 8 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 2990-00-788-5306?
NSN 2990-00-788-5306 (2990007885306) — Exhaust Muffler: SECO Parts has 8 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 2990-00-788-5306 available?
SECO Parts has 8 in stock in Augusta, GA — order or request a quote below.
How much does NSN 2990-00-788-5306 cost?
SECO typically prices parts like NSN 2990-00-788-5306 at $65–$115 each: an estimate from the government catalog price and what SECO has charged for similar parts. It is not a quote — request one for your price, usually answered the same business day. Quote lines carry a $50 minimum.
What part numbers cross-reference to NSN 2990-00-788-5306?
Part numbers that cross-reference this NSN include T8402, 8737720. 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.