The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-485-6493, 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 Tuthill Corp Hansen Coupling Div. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-485-6493 |
| Primary Part Number | ML1-K4-1430C |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Tuthill Corp Hansen Coupling Div |
| Status | ACTIVE |
| Style Designator | MALE COUPLING HALF |
| Leg Length | 0.820 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 |
|---|---|
| ML1-K4-1430C PRIMARY | Tuthill Corp Hansen Coupling Div (USA) |
| 6314783 FIND NO 32 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6314783 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-485-6493 is a Coupling Half,quick Disconnect, manufactured by Tuthill Corp Hansen Coupling Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-485-6493 has 2 manufacturer part numbers on file: ML1-K4-1430C (Tuthill Corp Hansen Coupling Div), 6314783 FIND NO 32 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 4240-01-485-8068, 4820-01-486-1188, 4820-01-486-1202. Verify interchangeability with system specifications before substitution.
Key specifications for ML1-K4-1430C: Style Designator: MALE COUPLING HALF; Overall Length: 1.410 INCHES NOMINAL IN; Leg Length: 0.820 INCHES NOMINAL IN; Special Features: BODY SIZE 1/8 INCH; FOR 1/4 INCH O.D. TUBE OR 1/8 IN PIPE IN. 2 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.