The Parts Kit,pressure Regulating VA, cataloged under National Stock Number 4820-01-172-2991, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-172-2991 |
| Item Name | Parts Kit,pressure Regulating VA |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Component Quantity | 7 |
| Nonsupply Items and Quantities | VALVE AND STEM ASSEMBLY 1; DIAPHRAGM ASSEMBLY 1; RETAINING RING 1; O-RING 4 |
| 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 |
|---|---|
| 3566-8000 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division |
| 3566-8000 | 5/9 Secondary reference Schrader-Bridgeport International Inc Dba Schrader Automotive |
| 3566-8000 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4820-01-172-2991 is a Parts Kit,pressure Regulating VA, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-172-2991: Component Quantity: 7; Nonsupply Items and Quantities: VALVE AND STEM ASSEMBLY 1; DIAPHRAGM ASSEMBLY 1; RETAINING RING 1; O-RING 4. 2 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.