The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-01-341-0778, 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 Lake Shore Systems, Inc.. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-341-0778 |
| Primary Part Number | 2D3-1597 PIECE 247 |
| Item Name | Adapter,straight,tube to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Connection Style | SWIVEL NUT, GASKET SEAL (TUBE) FIRST END |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 0.750 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 1.160 INCHES SECOND END IN |
| Nominal Overall Length | 3.730 INCHES IN |
| Connection Type | THREADED EXTERNAL HOSE GRIPPING SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Nominal Thread Size | 1.188 INCHES FIRST END IN |
| Thread Class | 2B FIRST END |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | UN FIRST 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 |
|---|---|
| 2D3-1597 PIECE 247 PRIMARY | Lake Shore Systems, Inc. (USA) |
| FJ9724-12-12 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| 2D3-1597 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
| 2JS30-12-12 | 5/9 Secondary reference U.S. Government activity |
| 2JS30-12-12 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4730-01-341-0778 is a Adapter,straight,tube to Hose, manufactured by Lake Shore Systems, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-341-0778 has 2 manufacturer part numbers on file: 2D3-1597 PIECE 247 (Lake Shore Systems, Inc.), FJ9724-12-12 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-341-0780. Verify interchangeability with system specifications before substitution.
Key specifications for 2D3-1597 PIECE 247: Connection Style: SWIVEL NUT, GASKET SEAL (TUBE) FIRST END; Connection Style: GRIPPING NIPPLE (NOSE) SECOND END; Nominal Inside Diameter Hose Accommodated: 0.750 INCHES SECOND END IN; Nominal Outside Diameter Hose Accommodated: 1.160 INCHES SECOND END IN. 13 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.