The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4310-01-202-0348, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Raytheon Company Div Corp. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-202-0348 |
| Primary Part Number | 886676-1 |
| Item Name | Pneumatic Muffler,exhaust-Intake |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Raytheon Company Div Corp |
| Status | ACTIVE |
| Operating Position | ANY ACCEPTABLE |
| Inlet Location | CENTRALLY LOCATED IN END SECTIN OF BODY |
| Overall Diameter | 1.870 INCHES NOMINAL IN |
| Inlet Connection Quantity | 1 |
| Inlet Thread Location | EXTERNAL LOCATION NOT OTHERWISE SPECIFIED |
| Inlet Projection Length | 0.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Muffler Design | STRAIGHT THROUGH |
| Inlet Connection Type | THREADED LOCATION NOT OTHERWISE SPECIFIED |
| Thread Direction | RIGHT-HAND INLET |
| Body Shape | ROUND |
| Inlet Thread Size | 1/4-20 LOCATION NOT OTHERWISE SPECIFIED |
| Inlet Thread Series Designator | NPT 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 |
|---|---|
| 886676-1 | Raytheon Company Div Corp (USA) |
| Reference | Meaning |
|---|---|
| 0315002 C02 | 3/2 Design control — primary reference U.S. Government activity |
| 886676 | D/9 Drawing number reference only Raytheon Company Div Corp |
| 0117002/C02 | 5/9 Secondary reference U.S. Government activity |
| C02 | 5/9 Secondary reference U.S. Government activity |
NSN 4310-01-202-0348 is a Pneumatic Muffler,exhaust-Intake, manufactured by Raytheon Company Div Corp, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-202-0348 has 1 manufacturer part number on file: 886676-1 (Raytheon Company Div Corp).
Key specifications for 886676-1: Operating Position: ANY ACCEPTABLE; Inlet Location: CENTRALLY LOCATED IN END SECTIN OF BODY; Overall Diameter: 1.870 INCHES NOMINAL IN; Inlet Connection Quantity: 1. 12 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.