The Module,valve Plate, cataloged under National Stock Number 4820-01-440-2114, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Systemhydraulic Ab Jms. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-440-2114 |
| Primary Part Number | JMS-681 |
| Item Name | Module,valve Plate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Systemhydraulic Ab Jms |
| 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 |
|---|---|
| JMS-681 PRIMARY | Systemhydraulic Ab Jms (SWE) |
| 3G-G2481 PRIMARY | Systemhydraulic Ab Jms (SWE) |
| Reference | Meaning |
|---|---|
| 3G-G2481 | 5/9 Secondary reference Systemhydraulic Ab Jms |
| 21-10947 ITEM 10 | 5/9 Secondary reference Macgregor Usa Inc. Div Macgregor Usa |
| 21-10947 ITEM 10 | 5/9 Secondary reference Mac Gregor Usa Inc |
| JMS-681 | 3/9 Design control — primary reference Systemhydraulic Ab Jms |
NSN 4820-01-440-2114 is a Module,valve Plate, manufactured by Systemhydraulic Ab Jms, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-440-2114 has 2 manufacturer part numbers on file: JMS-681 (Systemhydraulic Ab Jms), 3G-G2481 (Systemhydraulic Ab Jms).
Key specifications for JMS-681: Overall Length: 15.000 INCHES NOMINAL IN; 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.