The Valve,check, cataloged under National Stock Number 4820-01-547-1818, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fairbanks Morse, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-547-1818 |
| Primary Part Number | 98652100801 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fairbanks Morse, 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 |
|---|---|
| S9233-XX-MMA-010/LCS SH7-144 #25 | Naval Sea Systems Command (USA) |
| 98652100801 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| 98652100801 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4820-01-547-1818 is a Valve,check, manufactured by Fairbanks Morse, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-547-1818 has 2 manufacturer part numbers on file: S9233-XX-MMA-010/LCS SH7-144 #25 (Naval Sea Systems Command), 98652100801 (Fairbanks Morse, Llc).
Key specifications for 98652100801: Special Features: CHECK VALVE GROMELLE FF G 3/8INCH 1 BAR OPENING PRESSURE; FOR DYNALCO OVERSPEED DEVICE & E-STOP BUTTON IN; Part Name Assigned by Controlling Agency: VALVE CHECK; End Item Identification: Q6PA6B MAIN PROPULSION ENGINE;LITTORAL COMBAT SHIP (LCS). 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.