The Muffler,exhaust, cataloged under National Stock Number 2990-00-974-2168, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is A C E S Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-974-2168 |
| Primary Part Number | A69001-0 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | A C E S Inc |
| Status | ACTIVE |
| Inlet Location | OFFSET IN END SECTION OF BODY 1.625 IN. DIS HORIZONTAL C TO C IN |
| Inlet Inside Diameter | 3.520 INCHES NOMINAL SINGLE INLET IN |
| Operating Position | HORIZONTAL |
| Body Shape | ROUND |
| Outlet Inside Diameter | 3.520 INCHES NOMINAL FIRST OUTLET IN |
| Overall Diameter | 8.000 INCHES NOMINAL IN |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Coolant Type | AIR |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Inlet Projection Length | 3.250 INCHES NOMINAL SINGLE INLET IN |
| Muffler Design | DIRECTIONAL VANE W/INTEGRAL SPARK ARRESTOR |
| Outlet Projection Length | 10.500 INCHES NOMINAL FIRST OUTLET IN |
| Outlet Location | ON THE SIDE 3.500 IN. DIS CENTER TO END OF BODY IN |
| Outlet Connection Type | UNTHREADED FIRST OUTLET |
| Design Type | DRY |
| Surface Treatment | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2990-00-974-2168 is a Muffler,exhaust, manufactured by A C E S Inc, classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-974-2168 has 3 cross-referenced part numbers: A69001-0 (A C E S Inc), D2293 (Alexander Tagg Industries Inc), 2293 (Alexander Tagg Industries Inc).
There are 12 known substitutes for 2990-00-974-2168: 5365-00-209-4585, 5985-00-324-1665, 5975-00-390-5749 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for A69001-0: Inlet Location: OFFSET IN END SECTION OF BODY 1.625 IN. DIS HORIZONTAL C TO C IN; Inlet Inside Diameter: 3.520 INCHES NOMINAL SINGLE INLET IN; Special Features: 1.500 IN.NPT PLUG ON OD OF BODY AND 2 MTG BRACKETS ON OUTLET END OF BODY IN; Operating Position: HORIZONTAL. 18 total characteristics are documented in the Federal Logistics Information System.