The Retainer,disk,valve, cataloged under National Stock Number 4820-01-195-1235, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-195-1235 |
| Item Name | Retainer,disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Outside Diameter | 1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN |
| Inside Diameter | 0.500 INCHES NOMINAL IN |
| Material | PLASTIC |
| 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 |
|---|---|
| 3588117 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-195-1235 is a Retainer,disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-195-1235: Outside Diameter: 1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN; Overall Length: 0.110 INCHES NOMINAL IN; Inside Diameter: 0.500 INCHES NOMINAL IN; Special Features: 16 HOLES EQUALLY SPACED ON A 0.764 IN. DIA, 0.094 IN. DIA; 4 THRU HOLES ON A 1.250 IN. DIA, 0.146 IN. DIA MAX ON 90 DEG SPACED AXIS STARTING AT 45 DEG IN. 3 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.