The Tee,tube, cataloged under National Stock Number 4730-01-174-3656, 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 E O Manufacturing Company, Inc.. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-174-3656 |
| Primary Part Number | SS49PA834-4D194 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | E O Manufacturing Company, Inc. |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 RESTRICTOR |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE THIRD END BULKHEAD |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Leg Length | 0.953 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.953 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.578 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 0.438 INCHES THIRD END BULKHEAD IN |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Thread Class | 3A ALL ENDS A |
| Thread Class | 3A THIRD END BULKHEAD A |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) THIRD END BULKHEAD |
| 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 |
|---|---|
| SS49PA834-4D19Y | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| SS49PA834-4D194 PRIMARY | E O Manufacturing Company, Inc. (USA) |
NSN 4730-01-174-3656 is a Tee,tube, manufactured by E O Manufacturing Company, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-174-3656 has 2 manufacturer part numbers on file: SS49PA834-4D19Y (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), SS49PA834-4D194 (E O Manufacturing Company, Inc.).
Key specifications for SS49PA834-4D194: Furnished Items and Quantity: 1 RESTRICTOR; Connection Style: FLARED (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Connection Type: THREADED EXTERNAL TUBE THIRD END BULKHEAD. 16 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.