The Coupling Half,self-Sealing, cataloged under National Stock Number 4730-00-640-1507, 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 Danfoss Power Solutions II, Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-640-1507 |
| Primary Part Number | 50493-4-7 |
| Item Name | Coupling Half,self-Sealing |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Style Designator | MALE COUPLING HALF |
| Features Provided | SELF-SEALING |
| Material | COPPER ALLOY BODY |
| 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 |
|---|---|
| 50493-4-7 | Danfoss Power Solutions II, Llc (USA) |
| B/M68-102/54 | Derbyshire Machine & Tool Co (USA) |
| Reference | Meaning |
|---|---|
| 500054824841597 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| STD805-4316751PC73 | 5/2 Secondary reference U.S. Government activity |
| 5000S4824-841597FIG2PC3T05-9-10 | 3/1 Design control — primary reference U.S. Government activity |
NSN 4730-00-640-1507 is a Coupling Half,self-Sealing, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-640-1507 has 2 manufacturer part numbers on file: 50493-4-7 (Danfoss Power Solutions II, Llc), B/M68-102/54 (Derbyshire Machine & Tool Co).
Key specifications for 50493-4-7: Style Designator: MALE COUPLING HALF; Features Provided: SELF-SEALING; Material: COPPER ALLOY BODY. 3 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.