The Guide,adjusting Screw, cataloged under National Stock Number 4820-01-191-8494, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-191-8494 |
| Item Name | Guide,adjusting Screw |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL OR BRASS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 300716 | 3/9 Design control — primary reference Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc |
| 1356R-PIECE 12 | 5/9 Secondary reference Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc |
NSN 4820-01-191-8494 is a Guide,adjusting Screw, classified under FSC 4820, Valves, Nonpowered. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 1630-01-335-4988, 5331-01-617-1502. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-191-8494: General Characteristics Item Description: STAINLESS STEEL OR BRASS; End Item Identification: MODEL 110 DIFFERENTIAL CONTROL PILOT VALVE. 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.