The Gear Operator,valve, cataloged under National Stock Number 4820-01-469-5573, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-469-5573 |
| Primary Part Number | VT60/SGA-43:1 AND 9500-029 |
| Item Name | Gear Operator,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Gear Type | BEVEL |
| Material Document and Classification | ASTM A536 GR65/45/12 ASSN STD 1ST MATERIAL RESPONSE |
| Features Provided | HANDWHEEL |
| Material | IRON AND STEEL AND ALUMINUM ALLOY |
| Gear Ratio | 43 TO 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| VT60/SGA-43:1 AND 9500-029 PRIMARY | Velan Valve Corp. (USA) |
| 7498-729 ITEM NO 32 | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| 9500-029 | D/9 Drawing number reference only Velan Valve Corp. |
NSN 4820-01-469-5573 is a Gear Operator,valve, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-469-5573 has 2 manufacturer part numbers on file: VT60/SGA-43:1 AND 9500-029 (Velan Valve Corp.), 7498-729 ITEM NO 32 (Velan Valve Corp.).
3 possible matches (shared part number, not a government interchangeability claim): 3020-01-469-5586, 3020-01-469-5678, 3020-01-469-5685. Verify interchangeability with system specifications before substitution.
Key specifications for VT60/SGA-43:1 AND 9500-029: Gear Type: BEVEL; Material Document and Classification: ASTM A536 GR65/45/12 ASSN STD 1ST MATERIAL RESPONSE; Features Provided: HANDWHEEL; Special Features: HANDWHEEL IAW NAVSEA STD DWG 803-1385620; HAS 8 THREADED MOUNTING HOLES. 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.