The Tee,tube, cataloged under National Stock Number 4730-01-415-3153, 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 The Boeing Company Div Legacy Am&m. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-415-3153 |
| Primary Part Number | LE273-0066-0131 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE II,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END |
| Connection Style | FLARED (TUBE) THIRD END |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | QQ-A-367 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES THIRD END IN |
| Leg Length | 1.048 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.048 INCHES NOMINAL THIRD END IN |
| Leg Length | 0.695 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.437 INCHES FIRST END IN |
| Nominal Thread Size | 0.562 INCHES SECOND END IN |
| Nominal Thread Size | 0.437 INCHES THIRD END IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3A SECOND END A |
| Thread Class | 3A THIRD END A |
| Thread Class | 3B FIRST END |
| Material | ALUMINUM ALLOY 2014 OVERALL |
| 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 |
|---|---|
| AP264D040604 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| LE273-0066-0131 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| AFP660D040604 | Aerofit, Llc (USA) |
| Reference | Meaning |
|---|---|
| AFP660D4-6-4 | 5/9 Secondary reference Aerofit, Llc |
| LE273-0066 | 7/1 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
| AP264D4-6-4 | 5/9 Secondary reference Sps Technologies, Llc Dba Airdrome Precision Components |
| US2528D040604 | 5/9 Secondary reference United Supply Co Inc |
| F22804D4-6-4 | 5/9 Secondary reference Aeroquip Corp Industrial Products Group Marketing Dept |
NSN 4730-01-415-3153 is a Tee,tube, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-415-3153 has 3 manufacturer part numbers on file: AP264D040604 (Sps Technologies, Llc Dba Airdrome Precision Components), LE273-0066-0131 (The Boeing Company Div Legacy Am&m), AFP660D040604 (Aerofit, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-415-8280, 4730-01-481-4124. Verify interchangeability with system specifications before substitution.
Key specifications for LE273-0066-0131: Surface Treatment Document and Classification: MIL-A-8625,TYPE II,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARED (TUBE) SECOND END; Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END; Connection Style: FLARED (TUBE) THIRD END. 24 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.