The Muffler,exhaust, cataloged under National Stock Number 2990-01-327-5058, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Industrial Technologies and Services Llc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-327-5058 |
| Primary Part Number | 30996 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Industrial Technologies and Services Llc |
| Status | ACTIVE |
| Operating Position | HORIZONTAL |
| Coolant Type | AIR |
| Design Type | DRY |
| Body Shape | ROUND |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 30996 PRIMARY | Industrial Technologies and Services Llc (USA) |
NSN 2990-01-327-5058 is a Muffler,exhaust, manufactured by Industrial Technologies and Services Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-327-5058 has 1 manufacturer part number on file: 30996 (Industrial Technologies and Services Llc).
2 possible matches (shared part number, not a government interchangeability claim): 6150-01-340-3049, 4810-01-391-5863. Verify interchangeability with system specifications before substitution.
Key specifications for 30996: Operating Position: HORIZONTAL; Coolant Type: AIR; Design Type: DRY; Body Shape: ROUND. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.