The Connector,multiple,fluid Pressur, cataloged under National Stock Number 4730-01-263-0055, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-263-0055 |
| Primary Part Number | 1428AS111-1 |
| Item Name | Connector,multiple,fluid Pressur |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Bolt Hole Fluid Passage | NOT PROVIDED |
| Thread Provision | THREADED LOCATION NOT OTHERWISE SPECIFIED |
| Fluid Conveyance Type and Size for Which Designed | 0.903 IN. GAS OUTLET; 0.650 IN. SAFETY DEVICE THD; 1.0 IN. PIPE SIZE IN |
| Connection Style | PLAIN SECOND CONNECTION |
| Connection Style | FLARE FIRST CONNECTION |
| Connection Style | PLAIN THIRD CONNECTION |
| Bolt Hole Flats Serrations | NOT PROVIDED |
| Style Designator | 3 FLUID CONNECTIONS |
| Fluid Connection Quantity | 3 LOCATION NOT OTHERWISE SPECIFIED |
| Thread Direction | RIGHT-HAND THIRD CONNECTION |
| Thread Direction | RIGHT-HAND SECOND CONNECTION |
| Thread Direction | LEFT-HAND FIRST CONNECTION |
| Thread Size | 0.650-19 SECOND CONNECTION |
| Thread Size | 0.903-14 FIRST CONNECTION |
| Thread Size | 1.0-11-1/2 THIRD CONNECTION |
| Screw Thread Series Designator | NGO FIRST CONNECTION |
| Screw Thread Series Designator | NPT THIRD CONNECTION |
| Screw Thread Series Designator | UNS SECOND CONNECTION |
| Thread Class | 3A SECOND CONNECTION A |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 1428AS111-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| P5480F-1-555 | Superior Valve Co (USA) |
| Reference | Meaning |
|---|---|
| 1428AS111 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| XP1302-K71E | 5/9 Secondary reference Superior Valve Co |
NSN 4730-01-263-0055 is a Connector,multiple,fluid Pressur, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-263-0055 has 2 manufacturer part numbers on file: 1428AS111-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), P5480F-1-555 (Superior Valve Co).
Key specifications for 1428AS111-1: Bolt Hole Fluid Passage: NOT PROVIDED; Thread Provision: THREADED LOCATION NOT OTHERWISE SPECIFIED; Fluid Conveyance Type and Size for Which Designed: 0.903 IN. GAS OUTLET; 0.650 IN. SAFETY DEVICE THD; 1.0 IN. PIPE SIZE IN; Connection Style: PLAIN SECOND CONNECTION. 20 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.