The Elbow,pipe, cataloged under National Stock Number 4730-00-277-2787, 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 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-277-2787 |
| Item Name | Elbow,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Nominal Pipe Size Accommodated | 0.750 INCHES SECOND END IN |
| Nominal Pipe Size Accommodated | 1.250 INCHES FIRST END IN |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Operating Pressure | 175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.450 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.620 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 1.250 INCHES FIRST END IN |
| Specification/standard Data | 80204-B16.4 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 1 TYPE AND A CLASS |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Material | IRON CAST 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 |
|---|---|
| WWP501 | 5/9 Secondary reference U.S. Government activity |
| B16.4 | 3/1 Design control — primary reference U.S. Government activity |
NSN 4730-00-277-2787 is a Elbow,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-277-2787: Flow Angle: 90.0 DEGREES; Nominal Pipe Size Accommodated: 0.750 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 1.250 INCHES FIRST END IN; Connection Style: PLAIN (PIPE) ALL ENDS. 15 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.