The Muffler,exhaust, cataloged under National Stock Number 2990-00-529-8343, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Allied Witan Co Dba Alwitco. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2990-00-529-8343 |
| Primary Part Number | M07 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Allied Witan Co Dba Alwitco |
| Status | CANCELLED |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Inlet Projection Length | 1.125 INCHES NOMINAL SINGLE INLET IN |
| Material | ALUMINUM OR STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Baffle Quantity | 2 |
| Inlet Connection Type | THREADED SINGLE INLET |
| Operating Position | UNIVERSAL |
| Coolant Type | AIR |
| Inlet Thread Location | EXTERNAL SINGLE INLET |
| Nonconnection Outlet Size | NOT RATED |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Body Shape | ROUND |
| Inlet Thread Size | 3/4-14 SINGLE INLET |
| Thread Direction | RIGHT-HAND SINGLE INLET |
| Muffler Design | BAFFLE |
| Nonconnection Outlet Location | LOCATED ON CIRC |
| Surface Treatment | ALUMINUM ALLOY |
| Design Type | DRY |
| FSC Application Data | U/W VALVE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M07 PRIMARY | Allied Witan Co Dba Alwitco (USA) |
| 13227E9415 | U S Army Aviation and Troop Command Troop (USA) |
| 0111007 | Allied Witan Co Dba Alwitco (USA) |
| KK6GB-3/4 | Rotaryaire Compressor Corp (USA) |
| 572-4900-1415408ALTJPCF148 PRIMARY | Naval Ship Systems Command (USA) |
NSN 2990-00-529-8343 is a Muffler,exhaust, manufactured by Allied Witan Co Dba Alwitco, classified under FSC 2990 (No Item Name Available). Status: cancelled.
NSN 2990-00-529-8343 has 5 cross-referenced part numbers: M07 (Allied Witan Co Dba Alwitco), 13227E9415 (U S Army Aviation and Troop Command Troop), 0111007 (Allied Witan Co Dba Alwitco), KK6GB-3/4 (Rotaryaire Compressor Corp), 572-4900-1415408ALTJPCF148 (Naval Ship Systems Command).
There are 3 known substitutes for 2990-00-529-8343: 4720-00-203-7637, 3120-00-287-6433, 7220-01-357-4133. Verify interchangeability with system specifications before substitution.
Key specifications for M07: Inlet Location: CENTRALLY LOCATED IN END SECTION OF BODY; Inlet Projection Length: 1.125 INCHES NOMINAL SINGLE INLET IN; Overall Length: 6.750 INCHES NOMINAL IN; Material: ALUMINUM OR STEEL LOCATION NOT OTHERWISE SPECIFIED. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 2990-00-529-8343 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.