The Connector,multiple,fluid Pressur, cataloged under National Stock Number 4730-01-274-0803, 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 L3harris Technologies, Inc. Dba Harris Corporation Div L3harris Technologies Inc Dba Harris Corporation. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-274-0803 |
| Primary Part Number | 438057-001 |
| Item Name | Connector,multiple,fluid Pressur |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corporation Div L3harris Technologies Inc Dba Harris Corporation |
| Status | ACTIVE |
| Thread Provision | THREADED SECOND CONNECTION |
| Thread Provision | THREADED FIRST CONNECTION |
| Connection Style | PLAIN SECOND CONNECTION |
| Connection Style | PLAIN FIRST CONNECTION |
| Fluid Connection Quantity | 2 FIRST CONNECTION |
| Fluid Connection Quantity | 4 SECOND CONNECTION |
| Thread Direction | RIGHT-HAND SECOND CONNECTION |
| Thread Direction | RIGHT-HAND FIRST CONNECTION |
| Thread Size | 0.500-14 FIRST CONNECTION |
| Thread Size | 0.750-16 SECOND CONNECTION |
| Screw Thread Series Designator | NPT FIRST CONNECTION |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SECOND CONNECTION |
| Thread Class | 3B FIRST CONNECTION |
| Thread Class | 2B SECOND CONNECTION |
| Thickness | 1.750 INCHES NOMINAL IN |
| 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 |
|---|---|
| 438057-001 | L3harris Technologies, Inc. Dba Harris Corporation Div L3harris Technologies Inc Dba Harris Corporation (USA) |
| Reference | Meaning |
|---|---|
| 438057 | D/9 Drawing number reference only U.S. Government activity |
| 438057-001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-274-0803 is a Connector,multiple,fluid Pressur, manufactured by L3harris Technologies, Inc. Dba Harris Corporation Div L3harris Technologies Inc Dba Harris Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-274-0803 has 1 manufacturer part number on file: 438057-001 (L3harris Technologies, Inc. Dba Harris Corporation Div L3harris Technologies Inc Dba Harris Corporation).
Key specifications for 438057-001: Thread Provision: THREADED SECOND CONNECTION; Thread Provision: THREADED FIRST CONNECTION; Connection Style: PLAIN SECOND CONNECTION; Connection Style: PLAIN FIRST CONNECTION. 15 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.