The Elbow,pipe, cataloged under National Stock Number 4730-00-231-8519, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-231-8519 |
| Item Name | Elbow,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.120 INCHES NOMINAL ALL ENDS IN |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Specification/standard Data | 80204-B16.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Maximum Operating Temp | 260.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nondefinitive Spec/std Data | 3 TABLE |
| Surface Treatment | PASSIVATE OVERALL |
| Media for Which Designed | GAS FIRST RESPONSE |
| Media for Which Designed | HYDRAULIC FLUID SECOND RESPONSE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | NPT 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 |
| Reference | Meaning |
|---|---|
| 1301005 | 5/9 Secondary reference Fusion Inc |
| 1301005 | 5/9 Secondary reference Southeastern Sales Co |
| 90IN4612 | 5/9 Secondary reference Kidde-Fenwal, Llc |
| 18860 1-2 | 5/9 Secondary reference Crane Co Div Valve Div |
| B16.3 | 3/1 Design control — primary reference U.S. Government activity |
| IN4612 | 5/9 Secondary reference Kidde-Fenwal, Llc |
NSN 4730-00-231-8519 is a Elbow,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5910-01-053-7286, 3020-01-606-3403. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-231-8519: Flow Angle: 90.0 DEGREES; Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 14 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.