The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-468-9888, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-468-9888 |
| Primary Part Number | 4 FTX-SS |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Nominal Width Across Flats | 0.500 INCHES ALL ENDS IN |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | GASKET SEAL (PIPE) FIRST END |
| Nominal Overall Length | 1.220 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.125 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Thread Class | 2A SECOND END A |
| Thread Quantity Per Inch | 27 FIRST END |
| Thread Quantity Per Inch | 20 SECOND END |
| Material | STEEL COMP 316 OR STEEL COMP 316L OVERALL |
| Thread Series Designator | NPTF FIRST END |
| Thread Series Designator | UNF 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 |
|---|---|
| 4 FTX-SS PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| 7002638 PART 11 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7002638 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-468-9888 is a Adapter,straight,pipe to Tube, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-468-9888 has 2 manufacturer part numbers on file: 4 FTX-SS (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 7002638 PART 11 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-616-2263. Verify interchangeability with system specifications before substitution.
Key specifications for 4 FTX-SS: Nominal Width Across Flats: 0.500 INCHES ALL ENDS IN; Connection Style: FLARED (TUBE) SECOND END; Connection Style: GASKET SEAL (PIPE) FIRST END; Nominal Overall Length: 1.220 INCHES IN. 16 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.