The Tee,tube to Boss, cataloged under National Stock Number 4730-01-435-5878, 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 Dba Pneutronics Div Tube Fittings Division. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-435-5878 |
| Primary Part Number | 16-10-16-R50X-SS |
| Item Name | Tee,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Style | FLARED (TUBE) THIRD END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED EXTERNAL TUBE THIRD END |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES FIRST END IN |
| Leg Length | 1.810 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.700 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.810 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 1.312 INCHES FIRST END IN |
| Nominal Thread Size | 1.312 INCHES THIRD END IN |
| Nominal Thread Size | 0.875 INCHES SECOND END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Seat Angle | 37.0 DEGREES THIRD END |
| Thread Class | 2A ALL ENDS A |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UN 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 |
|---|---|
| 16-10-16-R50X-SS PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| 1764AS349-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1764AS349 | 7/1 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| J16-10-16GRT | C/1 Advisory reference — outside the item-of-supply concept Aerospace Supply, Inc Div Asi Marine & Industrial |
NSN 4730-01-435-5878 is a Tee,tube to Boss, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-435-5878 has 2 manufacturer part numbers on file: 16-10-16-R50X-SS (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 1764AS349-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 16-10-16-R50X-SS: Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: FLARED (TUBE) FIRST END; Connection Style: FLARED (TUBE) THIRD END; Connection Type: THREADED EXTERNAL BOSS SECOND END. 21 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.