The Tee,tube, cataloged under National Stock Number 4730-01-439-4855, 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 Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-439-4855 |
| Primary Part Number | 07A349-10 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) THIRD END |
| Connection Style | PLAIN (TUBE) SECOND END |
| Connection Style | PLAIN (TUBE) FIRST END |
| Connection Style | PLAIN (TUBE) FIRST END BULKHEAD |
| Connection Type | THREADED EXTERNAL TUBE FIRST END BULKHEAD |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED EXTERNAL TUBE SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE THIRD END |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END BULKHEAD 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 | 1.521 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 0.8438 INCHES FIRST END BULKHEAD IN |
| Thread Class | 3A FIRST END BULKHEAD A |
| Thread Quantity Per Inch | 18 FIRST END BULKHEAD |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNJS FIRST END BULKHEAD |
| 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 |
|---|---|
| AP3806T10 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| 07A349-10 PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| AFP1884T101010 | Aerofit, Llc (USA) |
| 4PHS312-10 PRIMARY | Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA) |
| AAC4312-10 | Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA) |
| Reference | Meaning |
|---|---|
| DAA3119B423 | D/9 Drawing number reference only U.S. Government activity |
| DAA3119B423-07A349-10 | 5/2 Secondary reference U.S. Government activity |
| 4PHS312-10 | 5/9 Secondary reference Advanced Metal Components Inc |
NSN 4730-01-439-4855 is a Tee,tube, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-439-4855 has 5 manufacturer part numbers on file: AP3806T10 (Sps Technologies, Llc Dba Airdrome Precision Components), 07A349-10 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), AFP1884T101010 (Aerofit, Llc), 4PHS312-10 (Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply), AAC4312-10 (Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply).
Key specifications for 07A349-10: Connection Style: PLAIN (TUBE) THIRD END; Connection Style: PLAIN (TUBE) SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Connection Style: PLAIN (TUBE) FIRST END BULKHEAD. 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.