The Elbow,tube, cataloged under National Stock Number 4730-00-699-9489, 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 Us Army Aviation and Missile Command. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-699-9489 |
| Primary Part Number | 8526277 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Connection Style | INVERTED FLARE (TUBE) FIRST END |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Leg Length | 1.344 INCHES NOMINAL SECOND END IN |
| Leg Length | 2.063 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A FIRST END A |
| Thread Class | 3A SECOND END A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF FIRST END |
| Thread Series Designator | UNF 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 |
|---|---|
| 8526277 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 4190-555214 PRIMARY | Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn (USA) |
| Reference | Meaning |
|---|---|
| 4190-555214 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-699-9489 is a Elbow,tube, manufactured by Us Army Aviation and Missile Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-699-9489 has 2 manufacturer part numbers on file: 8526277 (Us Army Aviation and Missile Command), 4190-555214 (Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn).
1 possible match (shared part number, not a government interchangeability claim): 5342-01-068-1252. Verify interchangeability with system specifications before substitution.
Key specifications for 8526277: Flow Angle: 90.0 DEGREES; Connection Style: INVERTED FLARE (TUBE) FIRST END; Connection Style: FLARED (TUBE) SECOND END; Connection Type: THREADED EXTERNAL TUBE FIRST END. 18 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.