The Seat,valve, cataloged under National Stock Number 4820-01-425-1007, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Admiral Filter Company Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-425-1007 |
| Primary Part Number | PC1216-3 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Admiral Filter Company Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PC1216-3 PRIMARY | Admiral Filter Company Llc (USA) |
| Reference | Meaning |
|---|---|
| PC1216-3 | 3/9 Design control — primary reference Parmatic Pollution Control Corporation Dba Parmatic Filter |
| PC1348-3 | 5/9 Secondary reference Parmatic Pollution Control Corporation Dba Parmatic Filter |
| MOD S1-8-C-4 OWS FIG7-2 NO.10 | 5/9 Secondary reference Parmatic Pollution Control Corporation Dba Parmatic Filter |
| MOD S1-8-C-4 OWS TBL7-3 IDX10 | 5/9 Secondary reference Parmatic Pollution Control Corporation Dba Parmatic Filter |
NSN 4820-01-425-1007 is a Seat,valve, manufactured by Admiral Filter Company Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-425-1007 has 1 manufacturer part number on file: PC1216-3 (Admiral Filter Company Llc).
Key specifications for PC1216-3: Special Features: SEPARATOR,OIL; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 0 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.