The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-273-1070, 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 Bird-Johnson Propeller Company, Llc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-273-1070 |
| Primary Part Number | L-1-17-16 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Bird-Johnson Propeller Company, Llc |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL PIPE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
|---|---|
| L-1-17-16 | Bird-Johnson Propeller Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 386 | 3/9 Design control — primary reference Ladish Co Tri-Clover Div |
NSN 4730-01-273-1070 is a Coupling Half,quick Disconnect, manufactured by Bird-Johnson Propeller Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-273-1070 has 1 manufacturer part number on file: L-1-17-16 (Bird-Johnson Propeller Company, Llc).
Key specifications for L-1-17-16: Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF; Nominal Thread Size: 0.500 INCHES ALL ENDS IN; Thread Series Designator: NPT ALL ENDS. 4 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.