NSN catalog · 90,963 partsCatalog › Engine Accessories › FSC 2990 › 2990-00-424-3391
Exhaust Muffler P/N 290933
In stock — 3 on our U.S. shelfNSN 2990-00-424-3391 2990004243391 NIIN 004243391
SECO Parts has 3 in stock of NSN 2990-00-424-3391 — Exhaust Muffler — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Typical price: $85–$140 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
- Federal supply class
- FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 3 |
| Total | 3 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
2990-00-424-3391 004243391 290933 N5-290933 2212-5 69134 290933-3 292697
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
- Nonconnection outlet size
- 5/64 In. Dia
- Inlet thread location
- Single Inlet External
- Nonconnection outlet type and quantity
- Perforated 101
- Inlet thread series designator
- Single Inlet NPT
- Design type
- Dry
- Inlet location
- Centrally Located in End Section of Body Single Inlet
- Overall diameter
- 3.625 in (nominal)
- Fsc application data
- Gasoline Engine,Nonaircraft
- Coolant type
- Air
- Overall length
- 6.250–6.500 in
- Inlet connection type
- Single Inlet Threaded
- Nonconnection outlet location
- Located on End
- Inlet projection length
- Single Inlet Inches Nominal 2.125
- Inlet thread size
- 1-11-1/2
- Thread direction
- Single Inlet Right-Hand
- Material
- Location Not Otherwise Specified Steel
- Surface treatment
- Enamel
- Muffler design
- Straight Through
- Body shape
- Round
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
290933 N5-290933 2212-5 69134 290933-3 292697
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 3 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 2990-00-424-3391?
NSN 2990-00-424-3391 (2990004243391) — Exhaust Muffler: SECO Parts has 3 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 2990-00-424-3391 available?
SECO Parts has 3 in stock in Augusta, GA — order or request a quote below.
How much does NSN 2990-00-424-3391 cost?
SECO typically prices parts like NSN 2990-00-424-3391 at $85–$140 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 2990-00-424-3391?
Part numbers that cross-reference this NSN include 290933, N5-290933, 2212-5, 69134, 290933-3, 292697. 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.
More in FSC 2990
2990-00-427-7441 Governor Weight
2990-00-428-9721 Push-Pull Control Assembly
2990-00-432-9722 Protective Muffler- Cap Assembly
2990-00-438-1551 Exhaust Pipe
2990-00-442-9739 Exhaust Pipe
2990-00-443-0000
All of FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft →