The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4330-01-263-7258, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Cold Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-263-7258 |
| Primary Part Number | D844-1016 |
| Item Name | Pneumatic Muffler,exhaust-Intake |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Cold Llc |
| Status | ACTIVE |
| Outlet Connection Quantity | 1 |
| Overall Diameter | 20.000 INCHES NOMINAL IN |
| Inlet Connection Quantity | 1 |
| Inlet Connection Type | FLANGE LOCATION NOT OTHERWISE SPECIFIED |
| Body Shape | ROUND |
| Outlet Connection Type | FLANGE 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 |
|---|---|
| D844-1016 PRIMARY | Cold Llc (USA) |
| Reference | Meaning |
|---|---|
| D844-1016 | 5/9 Secondary reference U.S. Government activity |
| D844-016 | 5/9 Secondary reference U.S. Government activity |
NSN 4330-01-263-7258 is a Pneumatic Muffler,exhaust-Intake, manufactured by Cold Llc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-263-7258 has 1 manufacturer part number on file: D844-1016 (Cold Llc).
Key specifications for D844-1016: Outlet Connection Quantity: 1; Overall Diameter: 20.000 INCHES NOMINAL IN; Inlet Connection Quantity: 1; Overall Length: 56.750 INCHES NOMINAL IN. 6 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.