The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-503-5902, 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 Cole-Parmer Instrument Company, Llc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-503-5902 |
| Primary Part Number | EW-30621-76 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Cole-Parmer Instrument Company, Llc |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Style | INSERT (TUBE) FIRST END |
| Nominal Overall Length | 1.750 INCHES IN |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.875 INCHES SECOND END IN |
| Reduced Passage Nominal Inside Diameter | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Maximum Operating Temp | 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Quantity Per Inch | A0.250 SECOND END |
| Material | PLASTIC ACRYLIC OVERALL |
| Thread Series Designator | NPT 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 |
|---|---|
| 7326505 FIND 3 | Naval Sea Systems Command (USA) |
| EW-30621-76 PRIMARY | Cole-Parmer Instrument Company, Llc (USA) |
| 7326507 FIND 2 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| E-06465-65 | 5/9 Secondary reference Cole-Parmer Instrument Company, Llc |
NSN 4730-01-503-5902 is a Adapter,straight,pipe to Tube, manufactured by Cole-Parmer Instrument Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-503-5902 has 3 manufacturer part numbers on file: 7326505 FIND 3 (Naval Sea Systems Command), EW-30621-76 (Cole-Parmer Instrument Company, Llc), 7326507 FIND 2 (Naval Sea Systems Command).
Key specifications for EW-30621-76: Connection Style: PLAIN (PIPE) SECOND END; Connection Style: INSERT (TUBE) FIRST END; Nominal Overall Length: 1.750 INCHES IN; Connection Type: THREADED EXTERNAL PIPE SECOND END. 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.