The Gear Operator,valve, cataloged under National Stock Number 4820-01-495-7076, 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5 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-495-7076 |
| Item Name | Gear Operator,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Valve Type for Which Designed | BUTTERFLY |
| Gear Type | WORM |
| Material Document and Classification | ASTM-A-218 ASSN STD SINGLE MATERIAL RESPONSE |
| Material | ALUMINUM |
| Gear Ratio | 30 TO 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 420-6MOD3 | 5/2 Secondary reference U.S. Government activity |
| 420-6 | D/9 Drawing number reference only Emerson Automation Solutions Final Control Us Lp |
| 11-NS0641 | 3/2 Design control — primary reference U.S. Government activity |
| D420-6-8-396 | D/9 Drawing number reference only Emerson Automation Solutions Final Control Us Lp |
| D420-6-8-396MOD3 | 5/2 Secondary reference U.S. Government activity |
| 396-819-080-420-032MOD3 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-495-7076 is a Gear Operator,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-495-7076: Valve Type for Which Designed: BUTTERFLY; Gear Type: WORM; Material Document and Classification: ASTM-A-218 ASSN STD SINGLE MATERIAL RESPONSE; Special Features: THIS GEAR OPERATOR IS AN ALTERED ITEM; IT IS CAGE 04613 P/N 396-819-080-420-032 MODIFIED; MODIFICATION 3 RELATES TO THE INPUT SHAFT (P/N 102-218-080-420-002 WHICH IS ITEM 12 ON BOTH CAGE 04613 DWG 420-6 AND CAGE 04613 DATA SHEET D420-6-8-396); MODIFICATION 3 HAS ITEM 12 EXTENDED TO 5.0 INCHES FROM FACE OF OPERATOR HOUSING AND END OF SHAFT TO HAVE 5/8 IN. X 5/8 IN. X 1-3/8 IN. LONG SQUARE END; NHA IS 882292627 IN. 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.
NSN 4820-01-495-7076 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.