The Tee,tube, cataloged under National Stock Number 4730-01-362-1687, 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 Corporation. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-362-1687 |
| Primary Part Number | GF11J121204 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416 TYII,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Style | GASKET SEAL (BOSS) SECOND END |
| Connection Style | FLARED (TUBE) THIRD END |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Material Document and Classification | MIL-F-5509 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Leg Length | 1.367 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.522 INCHES NOMINAL THIRD END IN |
| Leg Length | 2.648 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.438 INCHES THIRD END IN |
| Nominal Thread Size | 1.062 INCHES FIRST END BULKHEAD IN |
| Nominal Thread Size | 1.062 INCHES FIRST END IN |
| Nominal Thread Size | 1.062 INCHES SECOND END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Seat Angle | 37.0 DEGREES THIRD END |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A FIRST END BULKHEAD A |
| Thread Class | 3A THIRD END A |
| Thread Class | 3B SECOND END |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Quantity Per Inch | 12 FIRST END BULKHEAD |
| Thread Quantity Per Inch | 20 SECOND END |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END BULKHEAD |
| Thread Series Designator | UN SECOND END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) THIRD 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 |
|---|---|
| GF11J121204 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| GF.11J | 5/1 Secondary reference Northrop Grumman Systems Corporation |
NSN 4730-01-362-1687 is a Tee,tube, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-362-1687 has 1 manufacturer part number on file: GF11J121204 (Northrop Grumman Systems Corporation).
Key specifications for GF11J121204: Surface Treatment Document and Classification: QQ-P-416 TYII,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARED (TUBE) FIRST END; Connection Style: GASKET SEAL (BOSS) SECOND END; Connection Style: FLARED (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.