The Valve,check, cataloged under National Stock Number 4820-01-547-5567, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-547-5567 |
| Primary Part Number | S9233-XX-MMA-010/LCS SH7-47 #52 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| S9233-XX-MMA-010/LCS SH7-47 #52 PRIMARY | Naval Sea Systems Command (USA) |
| PA12650831 | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| PA12650831 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-547-5567 is a Valve,check, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-547-5567 has 2 manufacturer part numbers on file: S9233-XX-MMA-010/LCS SH7-47 #52 (Naval Sea Systems Command), PA12650831 (Fairbanks Morse, Llc).
Key specifications for S9233-XX-MMA-010/LCS SH7-47 #52: Style Designator: STRAIGHT THRU; Special Features: 1 INCH INLINE VALVE IN; End Item Identification: MAIN PROPULSION ENGINE; LCS1; Valve Operation Method: AUTOMATIC. 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.
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.