The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-039-0538, 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 Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-039-0538 |
| Primary Part Number | 507012-1 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit |
| Status | ACTIVE |
| Connection Style | FLARED ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Nominal Outside Diameter Tube Accommodated | 0.9445 INCHES ALL ENDS IN |
| Leg Length | 0.849 INCHES MINIMUM AND 0.879 INCHES MAXIMUM IN |
| Nominal Thread Size | 1.062 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | STEEL BODY |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) 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 |
|---|---|
| 507012-1 PRIMARY | Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit (USA) |
| Reference | Meaning |
|---|---|
| 584R454H06 | 1/2 Source control — Government-approved source U.S. Government activity |
| 584R454 | D/9 Drawing number reference only U.S. Government activity |
| 582R413H06 | 5/9 Secondary reference U.S. Government activity |
| 7112-12A-E0 | 5/9 Secondary reference Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit |
NSN 4730-01-039-0538 is a Coupling Half,quick Disconnect, manufactured by Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-039-0538 has 1 manufacturer part number on file: 507012-1 (Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-039-0539, 4730-01-083-2232. Verify interchangeability with system specifications before substitution.
Key specifications for 507012-1: Connection Style: FLARED ALL ENDS; Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF; Overall Length: 2.234 INCHES MINIMUM AND 2.294 INCHES MAXIMUM IN. 11 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.