The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4310-01-263-9193, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Jayco Incorporated. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-263-9193 |
| Primary Part Number | AS5311-4M |
| Item Name | Pneumatic Muffler,exhaust-Intake |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Jayco Incorporated |
| Status | ACTIVE |
| Operating Position | ANY ACCEPTABLE |
| Inlet Location | CENTRALLY LOCATED IN END SECTION OF BODY |
| Coolant Type | ANY ACCEPTABLE |
| Design Type | DRY |
| Inlet Connection Quantity | 1 |
| Muffler Design | ANY ACCEPTABLE |
| Inlet Connection Type | THREADED LOCATION NOT OTHERWISE SPECIFIED |
| Thread Direction | RIGHT-HAND INLET |
| Inlet Thread Size | 1/2-14 LOCATION NOT OTHERWISE SPECIFIED |
| Inlet Thread Series Designator | NPT LOCATION NOT OTHERWISE SPECIFIED |
| Material | COPPER ALLOY AND 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 |
NSN 4310-01-263-9193 is a Pneumatic Muffler,exhaust-Intake, manufactured by Jayco Incorporated, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-263-9193 has 2 manufacturer part numbers on file: 1219996 (Pneumatic Products Corp), AS5311-4M (Jayco Incorporated).
Key specifications for AS5311-4M: Operating Position: ANY ACCEPTABLE; Inlet Location: CENTRALLY LOCATED IN END SECTION OF BODY; Coolant Type: ANY ACCEPTABLE; Design Type: DRY. 11 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.