The Tee,pipe, cataloged under National Stock Number 4730-00-919-0855, 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 Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-919-0855 |
| Primary Part Number | RB18487 |
| Item Name | Tee,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.125 INCHES SECOND END IN |
| Nominal Pipe Size Accommodated | 0.250 INCHES THIRD END IN |
| Nominal Pipe Size Accommodated | 0.125 INCHES FIRST END IN |
| Connection Style | PLAIN (PIPE) THIRD END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.125 INCHES SECOND END IN |
| Nominal Thread Size | 0.250 INCHES THIRD END IN |
| Nominal Thread Size | 0.125 INCHES FIRST END IN |
| Surface Treatment | ANODIZE OVERALL |
| Thread Series Designator | NPT THIRD END |
| Thread Series Designator | ANPT FIRST END |
| Thread Series Designator | ANPT SECOND 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 |
|---|---|
| 10043943-140 | Us Army Aviation and Missile Command (USA) |
| RB18487 PRIMARY | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA) |
NSN 4730-00-919-0855 is a Tee,pipe, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-919-0855 has 2 manufacturer part numbers on file: 10043943-140 (Us Army Aviation and Missile Command), RB18487 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
Key specifications for RB18487: Nominal Pipe Size Accommodated: 0.125 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 0.250 INCHES THIRD END IN; Nominal Pipe Size Accommodated: 0.125 INCHES FIRST END IN; Connection Style: PLAIN (PIPE) THIRD END. 16 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.