The Coupling Half,self-Sealing, cataloged under National Stock Number 4730-01-437-4275, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-437-4275 |
| Primary Part Number | 151000-301W5 |
| Item Name | Coupling Half,self-Sealing |
| 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 | FLARELESS ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Material Document and Classification | MIL-T-9047 MIL SPEC SINGLE MATERIAL RESPONSE AND AMS5678 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Seat Angle | 12.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Class | 3A ALL ENDS A |
| Material | TITANIUM ALLOY AND STEEL CORROSION RESISTING BODY |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
|---|---|
| 151000-301W5 PRIMARY | Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit (USA) |
| AE73190H PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| AE70233H | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| 7D0185A08-501W | 5/2 Secondary reference U.S. Government activity |
| 151000-301W8 | 5/9 Secondary reference Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit |
| 151000 | D/9 Drawing number reference only Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit |
NSN 4730-01-437-4275 is a Coupling Half,self-Sealing, 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 4730-01-437-4275 has 2 manufacturer part numbers on file: 151000-301W5 (Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit), AE73190H (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
2 possible matches (shared part number, not a government interchangeability claim): 5895-01-463-9463, 5360-01-577-2118. Verify interchangeability with system specifications before substitution.
Key specifications for 151000-301W5: Connection Style: FLARELESS ALL ENDS; Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF; Material Document and Classification: MIL-T-9047 MIL SPEC SINGLE MATERIAL RESPONSE AND AMS5678 ASSN STD SINGLE MATERIAL RESPONSE BODY. 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.