NSN catalog · 90,963 partsCatalog › Engine Accessories › FSC 2990 › 2990-00-056-4628
Exhaust Muffler P/N 1921
In stock — 9 on our U.S. shelfNSN 2990-00-056-4628 2990000564628 NIIN 000564628
SECO Parts has 9 in stock of NSN 2990-00-056-4628 — Exhaust Muffler — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Government catalog (FEDLOG) price: $276.31 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 ASSEMBLY
- Federal supply class
- FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 9 |
| Total | 9 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
2990-00-056-4628 000564628 1921 13211E4870-109-0248 AT1-1921 0109-0248 13211E4870 A-44850
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
- Body shape
- Oval
- Inlet location
- Located on Periphery of Body,1.875 In. From End Single Inlet
- Overall width
- 8.000 in (nominal)
- Center to center distance between mounting holes
- 11/16 In. C to C Dim. of Mtg Holes
- Outlet inside diameter
- First Outlet Inches Nominal 1.500
- Design type
- Dry
- Coolant type
- Air
- Tube quantity
- 2
- Thread size
- 03-08-16
- Outlet connection type
- First Outlet Unthreaded
- Outlet location
- Located on Periphery on Opposite Side From Inlet 1.750 In. From End Opposite Inlet First Outlet
- Outlet projection length
- First Outlet Inches Nominal 0.938
- Outlet outside diameter
- First Outlet Inches Nominal 1.635
- Operating position
- Horizontal
- Overall length
- 8.125 in (nominal)
- Overall height
- 5.125 in (nominal)
- Inlet flange mounting provision and quantity
- Single Inlet Holes 2
- Inlet connection type
- Single Inlet Flange
- Material
- Location Not Otherwise Specified Steel
- Inlet flange mounting provision thread series designator
- Single Inlet Unified National Coarse (UNC)
- Surface treatment
- Chromate
- Inlet flange shape
- Single Inlet Oval
- Inlet flange mounting provision thread direction
- Single Inlet Right-Hand
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
1921 13211E4870-109-0248 AT1-1921 0109-0248 13211E4870 A-44850
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 9 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 2990-00-056-4628?
NSN 2990-00-056-4628 (2990000564628) — Exhaust Muffler: SECO Parts has 9 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 2990-00-056-4628 available?
SECO Parts has 9 in stock in Augusta, GA — order or request a quote below.
How much does NSN 2990-00-056-4628 cost?
The government catalog (FEDLOG) lists NSN 2990-00-056-4628 at $276.31 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 2990-00-056-4628?
Part numbers that cross-reference this NSN include 1921, 13211E4870-109-0248, AT1-1921, 0109-0248, 13211E4870, A-44850. 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.