The Tee,tube to Boss, cataloged under National Stock Number 4730-01-085-1804, 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 Corp Stratoflex Div Aircraft Fittings Opn. Government technical data includes 29 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-085-1804 |
| Primary Part Number | ER824D121012 |
| Item Name | Tee,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | FLARELESS (TUBE) THIRD END |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Material Document and Classification | QQ-A-367,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.523 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.586 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.586 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 1.062 INCHES THIRD END IN |
| Nominal Thread Size | 1.062 INCHES FIRST END IN |
| Nominal Thread Size | 0.875 INCHES SECOND END IN |
| Seat Angle | 12.0 DEGREES THIRD END |
| Seat Angle | 12.0 DEGREES FIRST END |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Surface Treatment | ANODIZE OVERALL |
| Media for Which Designed | AERONAUTICAL FLUID SINGLE RESPONSE |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 12 THIRD END |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | ALUMINUM ALLOY 2014 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) THIRD END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END |
| 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 |
|---|---|
| ER824D121012 PRIMARY | Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn (USA) |
| AS1005D121012 | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| ER824D121012 | 5/9 Secondary reference U.S. Government activity |
| AS1005D121012 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-085-1804 is a Tee,tube to Boss, manufactured by Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-085-1804 has 2 manufacturer part numbers on file: ER824D121012 (Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn), AS1005D121012 (Sae International Dba Sae International).
Key specifications for ER824D121012: Surface Treatment Document and Classification: MIL-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: FLARELESS (TUBE) THIRD END; Connection Style: FLARELESS (TUBE) FIRST END. 29 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.