The Tee,pipe to Tube, cataloged under National Stock Number 4730-01-268-9447, 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 Sae International Dba Sae International. Government technical data includes 25 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-268-9447 |
| Primary Part Number | AS4312K2420 |
| Item Name | Tee,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 1.250 INCHES SECOND END IN |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Style | FLARED (TUBE) THIRD END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Material Document and Classification | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 1.500 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 1.500 INCHES THIRD END IN |
| Leg Length | 2.469 INCHES MINIMUM SECOND END IN |
| Leg Length | 2.562 INCHES MINIMUM FIRST END IN |
| Leg Length | 2.562 INCHES MINIMUM THIRD END IN |
| Nominal Thread Size | 1.250 INCHES SECOND END IN |
| Nominal Thread Size | 1.875 INCHES FIRST END IN |
| Nominal Thread Size | 1.875 INCHES THIRD END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Seat Angle | 37.0 DEGREES THIRD END |
| Thread Class | 3A FIRST END A |
| Thread Class | 3A THIRD END A |
| Thread Quantity Per Inch | 12 THIRD END |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | UN 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 |
|---|---|
| AS4312K2420 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS4312K2420 | 3/9 Design control — primary reference U.S. Government activity |
| KC121K24-20 | C/1 Advisory reference — outside the item-of-supply concept John F Kennedy Space Center Dba Nasa Div Kennedy Space Center |
| KC121C24-20 | C/1 Advisory reference — outside the item-of-supply concept John F Kennedy Space Center Dba Nasa Div Kennedy Space Center |
NSN 4730-01-268-9447 is a Tee,pipe to Tube, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-268-9447 has 1 manufacturer part number on file: AS4312K2420 (Sae International Dba Sae International).
Key specifications for AS4312K2420: Nominal Pipe Size Accommodated: 1.250 INCHES SECOND END IN; Connection Style: FLARED (TUBE) FIRST END; Connection Style: FLARED (TUBE) THIRD END; Connection Style: PLAIN (PIPE) SECOND END. 25 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.