The Stem Disc Assy,valv, cataloged under National Stock Number 4820-01-555-9495, 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1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-555-9495 |
| Item Name | Stem Disc Assy,valv |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | 1 EA. ITEM NUMBER 22 VALVE DISK AND 1 EA. ITEM NUMBER 88 VALVE STEM |
| 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 |
|---|---|
| 2177525 | D/9 Drawing number reference only U.S. Government activity |
| 803-2177525-S6XX-89 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-555-9495 is a Stem Disc Assy,valv, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-555-9495: General Characteristics Item Description: 1 EA. ITEM NUMBER 22 VALVE DISK AND 1 EA. ITEM NUMBER 88 VALVE STEM; Special Features: STAINLESS STEEL ASSEMBLY FOR 1.250 INCH VALVE IN; Part Name Assigned by Controlling Agency: STEM AND DISC ASSEMBLY,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.