The Piston,valve, cataloged under National Stock Number 4820-01-347-2212, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-347-2212 |
| Item Name | Piston,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| 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 |
| Reference | Meaning |
|---|---|
| 3094678-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-347-2212 is a Piston,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-347-2212: Special Features: MATL: STEEL,CORROSION RESISTING,AMS 5640 OR AMS 5639,303 OR 304; CHROME PLATE INDICATED SURFACES PER QQ-C-320,CLASS 2,0.001 TO 0.003 IN. THK WITHIN FOUR AFTER PLATING BAKE IN AIR AT 350 TO 400 DEGREES F. FOR THREE HOURS MINIMUM. REMAINDER OF PART OPTIONAL; SURFACE ROUGHNESS 125 MICROINCHES ALL OVER; 0. 550 IN. MIN TO 0. 560 IN. MAX LGTH; OUTSIDE DIA 0.4694 IN. MIN TO 0.4696 IN. MAX; INSIDE DIA 0.385 IN. MIN TO 0.390 IN. MAX IN; End Item Identification: PACER DAWN. 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.