The Tee,tube, cataloged under National Stock Number 4730-00-279-0871, 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 Embraer S.a.. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-279-0871 |
| Primary Part Number | 3112389 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Embraer S.a. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Material Document and Classification | QQ-A-225/4,T6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-367,T6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6,T6 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-225/6,T851 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES ALL ENDS IN |
| Leg Length | 0.922 INCHES NOMINAL ALL ENDS IN |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3A ALL ENDS A |
| Material | ALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2024 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 |
|---|---|
| 3112389 | Embraer S.a. (BRA) |
| AN824-5D | Skf Aerospace France (FRA) |
| 3112389 | Embraer Aviation International (FRA) |
| Reference | Meaning |
|---|---|
| 3112389 | 5/9 Secondary reference Embraer Empresa Brasileira De Aeronautica Sa |
| Z00.N7730061820 | 5/9 Secondary reference Daher Aerospace - Ex Socata |
| AN824-5D | 2/2 Government specification standardization U.S. Government activity |
NSN 4730-00-279-0871 is a Tee,tube, manufactured by Embraer S.a., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-279-0871 has 3 manufacturer part numbers on file: 3112389 (Embraer S.a.), AN824-5D (Skf Aerospace France), 3112389 (Embraer Aviation International).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-536-8339. Verify interchangeability with system specifications before substitution.
Key specifications for 3112389: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARED (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Material Document and Classification: QQ-A-225/4,T6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-367,T6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6,T6 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-225/6,T851 FED SPEC 2ND MATERIAL RESPONSE OVERALL. 12 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.