The Drain Adapter, cataloged under National Stock Number 4470-01-219-7958, is classified within Federal Supply Class 4470 (Nuclear Reactors) of the Furnace, Steam, Drying, Nuclear Reactors group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4470-01-219-7958 |
| Item Name | Drain Adapter |
| FSC / FSG | 4470 / 44 — Nuclear Reactors |
| Status | ACTIVE |
| General Characteristics Item Description | 304 CRES,MIL-S-18170; 4.375 IN. O/A LG; 1.750 IN DIA BY 0.125 IN THK FLANGE ON ONE END; 0.500 IN TUBE BY 2.000 IN LG OPPOSITE FLANGE END; 0.625-11UNC-2A THDS; 0.370 IN THRU HOLE A |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER 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 | C |
| Reference | Meaning |
|---|---|
| 381-0230 PC.55 | 3/9 Design control — primary reference U.S. Government activity |
| 381-0230 | 5/9 Secondary reference U.S. Government activity |
NSN 4470-01-219-7958 is a Drain Adapter, classified under FSC 4470, Nuclear Reactors. Status: active.
Key specifications for 4470-01-219-7958: General Characteristics Item Description: 304 CRES,MIL-S-18170; 4.375 IN. O/A LG; 1.750 IN DIA BY 0.125 IN THK FLANGE ON ONE END; 0.500 IN TUBE BY 2.000 IN LG OPPOSITE FLANGE END; 0.625-11UNC-2A THDS; 0.370 IN THRU HOLE A; Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 3 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 4470-01-219-7958 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.