The Mc Piping,10 in, cataloged under National Stock Number 4470-01-285-7249, is classified within Federal Supply Class 4470 (Nuclear Reactors) of the Furnace, Steam, Drying, Nuclear Reactors group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4470-01-285-7249 |
| Item Name | Mc Piping,10 in |
| FSC / FSG | 4470 / 44 — Nuclear Reactors |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | C |
| Reference | Meaning |
|---|---|
| 910D966 P9-2 & P10-2 W/BOSS | 5/9 Secondary reference Cbs Broadcasting Inc. Dba Cbs Div Bechtel Plant Machinery Inc. - Pittsburgh |
| 910D966 P9-2 | 5/9 Secondary reference Pittsburgh Piping and Equipment Co |
| 910D966 P9-2 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 4470-01-285-7249 is a Mc Piping,10 in, classified under FSC 4470, Nuclear Reactors. Status: active.
Key specifications for 4470-01-285-7249: Criticality Code Justification: ZZZY; Part Name Assigned by Controlling Agency: 10IN MC PIPING IN; Reference Number Differentiating Characteristics: SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS. 2 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.
NSN 4470-01-285-7249 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
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.