The Cartridge,check Valve, cataloged under National Stock Number 4820-00-885-7583, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Solar Turbines Incorporated Dba Solar Turbines Incorporated. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-885-7583 |
| Primary Part Number | 28831-0 |
| Item Name | Cartridge,check Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Solar Turbines Incorporated Dba Solar Turbines Incorporated |
| 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 |
|---|---|
| 28831 | Solar Turbines Incorporated Dba Solar Turbines Incorporated (USA) |
| 28831-0 PRIMARY | Solar Turbines Incorporated Dba Solar Turbines Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 28831-0 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
| 28831 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
NSN 4820-00-885-7583 is a Cartridge,check Valve, manufactured by Solar Turbines Incorporated Dba Solar Turbines Incorporated, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-885-7583 has 2 manufacturer part numbers on file: 28831 (Solar Turbines Incorporated Dba Solar Turbines Incorporated), 28831-0 (Solar Turbines Incorporated Dba Solar Turbines Incorporated).
4 possible matches (shared part number, not a government interchangeability claim): 5342-00-962-6203, 1650-01-033-9820, 1660-01-441-2743. Verify interchangeability with system specifications before substitution.
Key specifications for 28831-0: Special Features: STEEL; 1.594 IN. OA LG; W/WRENCHING FEATURE 1 HEXEGON 0.250 IN. H; 1.000 IN. DIA; OTHER END EXTERNALLY THD 0.560-18 UNF IN. 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.