The Tee,tube to Boss, cataloged under National Stock Number 4730-00-900-0725, 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 30 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-900-0725 |
| Primary Part Number | ER834D160816 |
| 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 |
| 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 |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES FIRST END IN |
| Leg Length | 2.617 INCHES NOMINAL THIRD END IN |
| Leg Length | 1.742 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.616 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 1.312 INCHES FIRST END IN |
| Nominal Thread Size | 1.312 INCHES THIRD END IN |
| Nominal Thread Size | 1.312 INCHES THIRD END BULKHEAD IN |
| Seat Angle | 12.0 DEGREES THIRD END |
| Seat Angle | 12.0 DEGREES FIRST END |
| Specification/standard Data | 81343-AS1009 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 4 STYLE |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3A ALL ENDS A |
| Thread Class | 3A THIRD END BULKHEAD A |
| Thread Quantity Per Inch | 12 THIRD END |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Quantity Per Inch | 12 THIRD END BULKHEAD |
| Material | ALUMINUM ALLOY 2014 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) THIRD END |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) THIRD END BULKHEAD |
| 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 |
|---|---|
| ER834D160816 PRIMARY | Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn (USA) |
| AS1009D160816 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS18280 | 3/1 Design control — primary reference Sae International Dba Sae International |
| ER834D160816 | 5/9 Secondary reference U.S. Government activity |
| ER834D160816 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
| AS1009D160816 | 3/9 Design control — primary reference U.S. Government activity |
| AS1009 | 5/9 Secondary reference U.S. Government activity |
| AS1009 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 4730-00-900-0725 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 4730-00-900-0725 has 2 manufacturer part numbers on file: ER834D160816 (Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn), AS1009D160816 (Sae International Dba Sae International).
Key specifications for ER834D160816: 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. 30 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.