The Gear Operator,valve, cataloged under National Stock Number 4820-01-483-7920, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is B.w. Elliott Manufacturing Co., Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-483-7920 |
| Primary Part Number | 12101-405 |
| Item Name | Gear Operator,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | B.w. Elliott Manufacturing Co., Llc |
| Status | ACTIVE |
| Valve Type for Which Designed | VENT |
| Valve Size for Which Designed | 1.250 INCHES IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| B-800121-405 | B.w. Elliott Manufacturing Co., Llc (USA) |
| 12101 ASSY B-800-12101-405 | B.w. Elliott Manufacturing Co., Llc (USA) |
| 12101-405 PRIMARY | B.w. Elliott Manufacturing Co., Llc (USA) |
| Reference | Meaning |
|---|---|
| B-800-12101-405 | C/1 Advisory reference — outside the item-of-supply concept B.w. Elliott Manufacturing Co., Llc |
| 12101 | D/9 Drawing number reference only B.w. Elliott Manufacturing Co., Llc |
NSN 4820-01-483-7920 is a Gear Operator,valve, manufactured by B.w. Elliott Manufacturing Co., Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-483-7920 has 3 manufacturer part numbers on file: B-800121-405 (B.w. Elliott Manufacturing Co., Llc), 12101 ASSY B-800-12101-405 (B.w. Elliott Manufacturing Co., Llc), 12101-405 (B.w. Elliott Manufacturing Co., Llc).
Key specifications for 12101-405: Valve Type for Which Designed: VENT; Valve Size for Which Designed: 1.250 INCHES IN; Part Name Assigned by Controlling Agency: REMOTE OPERATOR; End Item Identification: REMOTE OPERATOR, NIMITZ CLASS CVN. 3 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.