The Valve,ball, cataloged under National Stock Number 4820-01-501-6853, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-501-6853 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDLE |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | COPPER ALLOY BODY |
| Material | PLASTIC ACETAL SEAT |
| Material | COPPER ALLOY STEM |
| Material | TITANIUM FLOW CONTROL DEVICE |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4558774 | D/9 Drawing number reference only U.S. Government activity |
| 2642-820-07 ASSY B | 5/2 Secondary reference U.S. Government activity |
| 845-4558774 ASSY B | 3/2 Design control — primary reference U.S. Government activity |
| 845-4558774-ASS | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4820-01-501-6853 is a Valve,ball, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-501-6906. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-501-6853: Furnished Items and Quantity: 1 HANDLE; Style Designator: STRAIGHT THRU; Operating Pressure: 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Special Features: VALVE SIZE IS 2.500 INCHES; PACKING MATERIAL IS FLUOROCARBON IN. 8 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.
NSN 4820-01-501-6853 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.