The Seal,conical,flared Tube Fitting, cataloged under National Stock Number 4730-00-078-8517, 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 8 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-078-8517 |
| Item Name | Seal,conical,flared Tube Fitting |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Seat Angle in Deg | 37.0 |
| Style Designator | SEAL |
| Wall Thickness | 0.010 INCHES NOMINAL IN |
| Outside Diameter | 0.664 INCHES NOMINAL IN |
| Body Length | 0.095 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | COPPER ALLOY |
| Hose/tube Outside Diameter for Which Designed | 0.500 INCHES NOMINAL 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 |
|---|---|
| VSF1015C-8SP/5466 | 5/9 Secondary reference Howmet Global Fastening Systems Inc Div Rosan / Eagle Products |
| 10175481 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| MC185C8A | 5/9 Secondary reference National Aerospace and Space Administration George C Marshall Space Flight Center |
| VSF1015C8SP | 5/9 Secondary reference U.S. Government activity |
| VSF1015C-8SP/5466 | 5/9 Secondary reference U.S. Government activity |
| 966216-6 | 3/2 Design control — primary reference U.S. Government activity |
| 966216 | 3/1 Design control — primary reference U.S. Government activity |
NSN 4730-00-078-8517 is a Seal,conical,flared Tube Fitting, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-078-8517: Seat Angle in Deg: 37.0; Style Designator: SEAL; Wall Thickness: 0.010 INCHES NOMINAL IN; Outside Diameter: 0.664 INCHES NOMINAL IN. 8 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.