The Hold Transformer, cataloged under National Stock Number 4470-00-143-9387, is classified within Federal Supply Class 4470 (Nuclear Reactors) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Eaton Corporation Dba Eaton Inoac Div Eaton. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4470-00-143-9387 |
| Primary Part Number | CW-3P6 |
| Item Name | Hold Transformer |
| FSC / FSG | 4470 / 44 — Nuclear Reactors |
| Manufacturer | Eaton Corporation Dba Eaton Inoac Div Eaton |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| CW-3P6 | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
| CW3P6 | Espey Mfg and Electronics Corp (USA) |
| 912967-4 | Ward Leonard Ct Llc (USA) |
| 912972-1 | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| 913874GR1 | 3/1 Design control — primary reference Instruments and Flight Research, Inc. |
| BE-09699-001 | 5/1 Secondary reference Northrop Grumman Systems Corporation Div Marine Systems |
| 928BE9699PC1 | 5/1 Secondary reference Northrop Grumman Systems Corporation Div Marine Systems |
NSN 4470-00-143-9387 is a Hold Transformer, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 4470, Nuclear Reactors. Status: active.
NSN 4470-00-143-9387 has 4 manufacturer part numbers on file: CW-3P6 (Eaton Corporation Dba Eaton Inoac Div Eaton), CW3P6 (Espey Mfg and Electronics Corp), 912967-4 (Ward Leonard Ct Llc), 912972-1 (Ward Leonard Ct Llc).
Key specifications for CW-3P6: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. 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 4470-00-143-9387 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.