The Muffler,exhaust, cataloged under National Stock Number 2990-01-380-0232, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Salisbury W H and Co Inc. Government technical data includes 8 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-380-0232 |
| Primary Part Number | M-90 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Salisbury W H and Co Inc |
| Status | ACTIVE |
| Muffler Design | STRAIGHT THROUGH |
| Specific Use | MARINE APPL |
| Design Type | DRY |
| Body Shape | ROUND |
| Supplementary Features | MUFFLER IS ELASTOMERIC. |
| Material | RUBBER CHLOROPRENE CLASS CR LOCATION NOT OTHERWISE SPECIFIED |
| Operating Position | HORIZONTAL |
| Overall Diameter | 5.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6730829 ITEM 8 | Naval Sea Systems Command (USA) |
| 6730829 | Naval Sea Systems Command (USA) |
| M-90 PRIMARY | Salisbury W H and Co Inc (USA) |
NSN 2990-01-380-0232 is a Muffler,exhaust, manufactured by Salisbury W H and Co Inc, classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-01-380-0232 has 3 cross-referenced part numbers: 6730829 ITEM 8 (Naval Sea Systems Command), 6730829 (Naval Sea Systems Command), M-90 (Salisbury W H and Co Inc).
There are 7 known substitutes for 2990-01-380-0232: 5130-00-287-5199, 4720-00-489-5960, 6635-01-102-8043 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for M-90: Special Features: FURN W/CLAMPS,CONNECTOR SLEEVES AND BUSHINGS;STANDARD INLET AND OUTLET,2.875 IN. IN; Muffler Design: STRAIGHT THROUGH; Specific Use: MARINE APPL; Design Type: DRY. 11 total characteristics are documented in the Federal Logistics Information System.