The Tee,tube, cataloged under National Stock Number 4730-01-443-8857, 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 Te Connectivity Corporation Dba Raychem Product Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-443-8857 |
| Primary Part Number | 4P02311-10-10-14 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Te Connectivity Corporation Dba Raychem Product Division |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.875 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES SECOND END IN |
| Operating Pressure | 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.521 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.521 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.749 INCHES NOMINAL THIRD END IN |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | TITANIUM ALLOY OVERALL |
| 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 |
|---|---|
| 4P02311-10-10-14 PRIMARY | Te Connectivity Corporation Dba Raychem Product Division (USA) |
| 07A179-10-10-14 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| Reference | Meaning |
|---|---|
| 07A179 | D/9 Drawing number reference only Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
NSN 4730-01-443-8857 is a Tee,tube, manufactured by Te Connectivity Corporation Dba Raychem Product Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-443-8857 has 2 manufacturer part numbers on file: 4P02311-10-10-14 (Te Connectivity Corporation Dba Raychem Product Division), 07A179-10-10-14 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-443-8862. Verify interchangeability with system specifications before substitution.
Key specifications for 4P02311-10-10-14: Connection Style: PLAIN (TUBE) ALL ENDS; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.625 INCHES FIRST END IN; Nominal Outside Diameter Tube Accommodated: 0.875 INCHES THIRD END IN. 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.