The Elbow,pipe, cataloged under National Stock Number 4730-01-650-8221, 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 12 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-650-8221 |
| Item Name | Elbow,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Recess Nominal Depth | 0.62 INCHES ALL ENDS IN |
| Flow Angle | 90.00 DEGREES |
| Nominal Pipe Size Accommodated | 2.00 INCHES ALL ENDS IN |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | ELBOW |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 3000.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Reduced Passage Nominal Inside Diameter | 2.067 INCHES ALL ENDS IN |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 80 ALL ENDS |
| Material | NICKEL ALLOY OVERALL |
| Recess Nominal Diameter | 2.416 INCHES ALL ENDS IN |
| 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 |
|---|---|
| B16.11CL300090DG2.0NPSSWQQN281 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| 513-8483826-F30 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| Y765R7003-F30 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| B16.11 | 5/1 Secondary reference The American Society of Mechanical Engineers |
NSN 4730-01-650-8221 is a Elbow,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-650-8221: Recess Nominal Depth: 0.62 INCHES ALL ENDS IN; Flow Angle: 90.00 DEGREES; Nominal Pipe Size Accommodated: 2.00 INCHES ALL ENDS IN; Connection Style: SOCKET (PIPE) ALL ENDS. 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.