The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4310-01-407-3663, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Iowa Mold Tooling Co Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-407-3663 |
| Primary Part Number | 70048157 |
| Item Name | Pneumatic Muffler,exhaust-Intake |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Iowa Mold Tooling Co Inc |
| Status | ACTIVE |
| Operating Position | VERTICAL |
| Body Shape | IRREGULAR |
| 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 |
|---|---|
| 70048157 PRIMARY | Iowa Mold Tooling Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 70048157 | 5/9 Secondary reference Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division |
NSN 4310-01-407-3663 is a Pneumatic Muffler,exhaust-Intake, manufactured by Iowa Mold Tooling Co Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-407-3663 has 1 manufacturer part number on file: 70048157 (Iowa Mold Tooling Co Inc).
Key specifications for 70048157: Operating Position: VERTICAL; Body Shape: IRREGULAR; Special Features: USED ON AIR COMPRESSOR ASSY,INGERSOLL-RAND,MODEL 650RD,P/N 51710220.; End Item Identification: 4910-01-360-1584. 2 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.