The Coupling,pipe, cataloged under National Stock Number 4730-01-363-2203, 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 Flatwater Fleet Inc Dba Flatwater Fleet Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-363-2203 |
| Primary Part Number | A-1045-1 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Flatwater Fleet Inc Dba Flatwater Fleet Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| A-1045-1 PRIMARY | Flatwater Fleet Inc Dba Flatwater Fleet Inc (USA) |
| C-1043 ITEM 5 | Flatwater Fleet Inc Dba Flatwater Fleet Inc (USA) |
| Reference | Meaning |
|---|---|
| A-1045 | 5/9 Secondary reference Flatwater Fleet Inc Dba Flatwater Fleet Inc |
| C-1043 | D/9 Drawing number reference only Flatwater Fleet Inc Dba Flatwater Fleet Inc |
NSN 4730-01-363-2203 is a Coupling,pipe, manufactured by Flatwater Fleet Inc Dba Flatwater Fleet Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-363-2203 has 2 manufacturer part numbers on file: A-1045-1 (Flatwater Fleet Inc Dba Flatwater Fleet Inc), C-1043 ITEM 5 (Flatwater Fleet Inc Dba Flatwater Fleet Inc).
Key specifications for A-1045-1: Special Features: COUPLING DRIVE LINE; CONNECTS 2 SHAFTS; End Item Identification: WATER PUMP ASSEMBLY,FLATWATER FLEET CORP,MODEL C-1043. 0 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.