The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4310-01-421-8658, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Textron Aviation Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4310-01-421-8658 |
| Primary Part Number | 701-4 |
| Item Name | Pneumatic Muffler,exhaust-Intake |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 701-4 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 701-4 | 3/9 Design control — primary reference Beechcraft Corporation Dba Textron Aviation |
NSN 4310-01-421-8658 is a Pneumatic Muffler,exhaust-Intake, manufactured by Textron Aviation Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-421-8658 has 1 manufacturer part number on file: 701-4 (Textron Aviation Inc).
Key specifications for 701-4: End Item Identification: BEECHCRAFT BONANZA. 0 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.