The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4310-01-498-4792, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-498-4792 |
| Primary Part Number | 422200G6 |
| Item Name | Pneumatic Muffler,exhaust-Intake |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| Overall Diameter | 16.500 INCHES NOMINAL IN |
| Body Shape | ROUND |
| Material | STEEL 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 |
|---|---|
| 422200G6 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| PL12498531 PC NO 325 | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| PL12498531 PC NO 325 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| PL12498531 PC NO 325 | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| PL12498531 PC NO 325 | 5/9 Secondary reference U.S. Government activity |
| 422200G6 | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| 222C | 3/9 Design control — primary reference U.S. Government activity |
| 222C | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| 12494886 | D/9 Drawing number reference only U.S. Government activity |
| 222C | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 4310-01-498-4792 is a Pneumatic Muffler,exhaust-Intake, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-498-4792 has 2 manufacturer part numbers on file: 422200G6 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), PL12498531 PC NO 325 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
1 possible match (shared part number, not a government interchangeability claim): 4310-01-498-4806. Verify interchangeability with system specifications before substitution.
Key specifications for 422200G6: Overall Diameter: 16.500 INCHES NOMINAL IN; Overall Length: 56.000 INCHES NOMINAL IN; Body Shape: ROUND; Special Features: USED IN COMPRESSOR CTFG; WEIGHS 150 LBS, 1 1/2" - 150 LB INLET FLANGE, 5"-125 LB OUTLET FLANGE LBS. 3 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.