The Muffler,exhaust, cataloged under National Stock Number 2990-00-612-7783, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Metadure Parts & Sales, Inc.. Government technical data includes 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 2990-00-612-7783 |
| Primary Part Number | B10195 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Metadure Parts & Sales, Inc. |
| Status | ACTIVE |
| Inlet Location | CENTERLLY LOCATED IN. END SECTION |
| Coolant Type | AIR |
| Design Type | DRY |
| Overall Diameter | 1.250 INCHES NOMINAL IN |
| Inlet Thread Location | INTERNAL SINGLE INLET |
| Inlet Projection Length | 0.500 INCHES NOMINAL SINGLE INLET IN |
| Muffler Design | MULTIPASS |
| Inlet Connection Type | THREADED SINGLE INLET |
| Thread Direction | RIGHT-HAND SINGLE INLET |
| Body Shape | ROUND |
| Inlet Thread Size | 0.500-14 SINGLE INLET |
| Inlet Thread Series Designator | NPT SINGLE INLET |
| Material | ALUMINUM ALLOY LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| B10195 PRIMARY | Metadure Parts & Sales, Inc. (USA) |
| Reference | Meaning |
|---|---|
| B10195 | 5/9 Secondary reference U.S. Government activity |
| 26459 | 5/9 Secondary reference U.S. Government activity |
| 32AS162-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 322AS162-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 2990-00-612-7783 is a Muffler,exhaust, manufactured by Metadure Parts & Sales, Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-612-7783 has 1 manufacturer part number on file: B10195 (Metadure Parts & Sales, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 4320-00-904-5764, 4730-01-156-1182, 6520-01-440-7806. Verify interchangeability with system specifications before substitution.
Key specifications for B10195: Inlet Location: CENTERLLY LOCATED IN. END SECTION; Coolant Type: AIR; Design Type: DRY; Overall Diameter: 1.250 INCHES NOMINAL IN. 13 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.