The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-517-6903, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Sensorex Corporation Div Sensorex. 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-517-6903 |
| Primary Part Number | FC66P |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sensorex Corporation Div Sensorex |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.750 INCHES SECOND END IN |
| Connection Style | COMPRESSION (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE STD SECOND END |
| 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 |
|---|---|
| FC66P | Sensorex Corporation Div Sensorex (USA) |
| Reference | Meaning |
|---|---|
| 160K0351 PN FC66P | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 161K0000 ITEM 214 | 5/9 Secondary reference U.S. Government activity |
| 161K0000 ITEM 214 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 160K0351 PN FC66P | 5/9 Secondary reference U.S. Government activity |
| 160K0351 PN FC66P | 5/9 Secondary reference Drs Environmental Systems Inc |
| 161K0000 ITEM 214 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 160K0351 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 160K0351 | 3/9 Design control — primary reference U.S. Government activity |
| 161K0000 | D/9 Drawing number reference only U.S. Government activity |
| 160K0351 | 5/9 Secondary reference Drs Environmental Systems Inc |
NSN 4730-01-517-6903 is a Adapter,straight,pipe to Tube, manufactured by Sensorex Corporation Div Sensorex, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-517-6903 has 1 manufacturer part number on file: FC66P (Sensorex Corporation Div Sensorex).
2 possible matches (shared part number, not a government interchangeability claim): 5999-01-517-8471, 6680-01-518-5215. Verify interchangeability with system specifications before substitution.
Key specifications for FC66P: Nominal Pipe Size Accommodated: 0.750 INCHES SECOND END IN; Connection Style: COMPRESSION (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Connection Type: THREADED EXTERNAL PIPE SECOND END. 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.