The Elbow,pipe to Tube, cataloged under National Stock Number 4730-01-549-7972, 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12 specifications, cited from the U.S. Government catalog. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-549-7972 |
| Item Name | Elbow,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES |
| Connection Style | INVERTED FLARE (PIPE) SECOND END |
| Inlet Location | LOW HEEL SINGLE INLET |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Leg Length | 0.950 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Specification/standard Data | 81349 - MS51508 REV A 17 JAN 1979 AND MS51508A NOTICE 1 17 AUG 1999 SUPERSEDED BY SAE J514 YR 2000 EDITION GOVERNMENT SPECIFICATION |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A FIRST END A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF FIRST END |
| 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 |
|---|---|
| J514 | 5/9 Secondary reference U.S. Government activity |
| MS51508B10 | 2/2 Government specification standardization U.S. Government activity |
| J514 | 5/1 Secondary reference Sae International Dba Sae International |
| MS51508-B10 | 5/9 Secondary reference U.S. Government activity |
| 14-14 070302 | 5/9 Secondary reference Sae International Dba Sae International |
| MS51508-B10 | 5/9 Secondary reference U.S. Government activity |
| 14-14 070302 | 5/9 Secondary reference U.S. Government activity |
| MS51508-B10 | 5/9 Secondary reference Sae International Dba Sae International |
| 070302-14-14 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-18866 | 4/1 Identification reference U.S. Government activity |
NSN 4730-01-549-7972 is a Elbow,pipe to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-549-7972: Flow Angle: 45.0 DEGREES; Connection Style: INVERTED FLARE (PIPE) SECOND END; Inlet Location: LOW HEEL SINGLE INLET; Connection Type: THREADED EXTERNAL PIPE SECOND END. 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.