The Lift Device,disk Ay, cataloged under National Stock Number 4820-01-478-4811, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-478-4811 |
| Item Name | Lift Device,disk Ay |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | EACH PIECE OF ASSEMBLY ZINC PLATED PER ASTM B633, TYPE I OR II, CLASS 12, SALT SPRAY TEST NOT REQUIRED. LUBRICATION OF ITEM AT ASSEMBLY: GRAPHITE IN ISOPROPANOL PER MIL-L24131. APPLY TWO SUCCESSIVE, UNIFORM COATS ALLOWING FIRST COAT TO THOROUGHLY DRY BEFORE APPLYING SECOND. EYE BOLT IS THREADED 0.500-13UNC-2A; LIFT PLATE THREADED 0.500-13UNC-2B. A |
| Accessory Components and Quantity | EYE BOLT, PC 86-1, 1; LIFT PLATE, PC 86-2, 1; NUT, HEAVY HEX, PC 86-3, 1 |
| Pressure Rating | ERR-060 |
| Surface Treatment | ZINC |
| Material | STEEL |
| 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 |
|---|---|
| 2177518-06XX-86 | 5/2 Secondary reference U.S. Government activity |
| 803-2177518-06XX-86 | 3/2 Design control — primary reference U.S. Government activity |
| 2177518-06XX PC 86 | 5/2 Secondary reference U.S. Government activity |
| 803-2177518-06XX PC 86 | 5/2 Secondary reference U.S. Government activity |
| 2177518 | D/9 Drawing number reference only U.S. Government activity |
| 803-2177518-05XX-86 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4820-01-478-4811 is a Lift Device,disk Ay, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-478-4811: General Characteristics Item Description: EACH PIECE OF ASSEMBLY ZINC PLATED PER ASTM B633, TYPE I OR II, CLASS 12, SALT SPRAY TEST NOT REQUIRED. LUBRICATION OF ITEM AT ASSEMBLY: GRAPHITE IN ISOPROPANOL PER MIL-L24131. APPLY TWO SUCCESSIVE, UNIFORM COATS ALLOWING FIRST COAT TO THOROUGHLY DRY BEFORE APPLYING SECOND. EYE BOLT IS THREADED 0.500-13UNC-2A; LIFT PLATE THREADED 0.500-13UNC-2B. A; Overall Length: 4.406 INCHES NOMINAL IN; Overall Width: 2.125 INCHES NOMINAL IN; Accessory Components and Quantity: EYE BOLT, PC 86-1, 1; LIFT PLATE, PC 86-2, 1; NUT, HEAVY HEX, PC 86-3, 1. 5 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.