The Cartridge,stop-Check Valve, cataloged under National Stock Number 4820-01-505-5326, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Danfoss Fluid Power Inc Easley Opn. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-505-5326 |
| Primary Part Number | 1SD10-01-B-0-E-D-XXX |
| Item Name | Cartridge,stop-Check Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Danfoss Fluid Power Inc Easley Opn |
| Status | ACTIVE |
| Thread Size and Series/type Designator | 1-14 UN |
| 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 |
|---|---|
| 1SD10-01-B-0-E-D-XXX PRIMARY | Danfoss Fluid Power Inc Easley Opn (USA) |
| 138111.000 | Danfoss Fluid Power Inc Easley Opn (USA) |
| Reference | Meaning |
|---|---|
| 1SD10-01-M-O-E-D | 5/9 Secondary reference Danfoss Fluid Power Inc Easley Opn |
| 1SD10-P-6SM917 | 5/9 Secondary reference Danfoss Fluid Power Inc Easley Opn |
NSN 4820-01-505-5326 is a Cartridge,stop-Check Valve, manufactured by Danfoss Fluid Power Inc Easley Opn, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-505-5326 has 2 manufacturer part numbers on file: 1SD10-01-B-0-E-D-XXX (Danfoss Fluid Power Inc Easley Opn), 138111.000 (Danfoss Fluid Power Inc Easley Opn).
Key specifications for 1SD10-01-B-0-E-D-XXX: Special Features: EXTERNAL ADJUSTMENT, 20 TO 600 PSI; End Item Identification: 2350-01-081-8138; Thread Size and Series/type Designator: 1-14 UN. 1 specification is 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.