The Indicator,valve Opening, cataloged under National Stock Number 4820-01-483-8512, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-483-8512 |
| Primary Part Number | 12530-6 |
| Item Name | Indicator,valve Opening |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | B.w. Elliott Manufacturing Co., Llc |
| Status | ACTIVE |
| Pointer Type | INDICATING SINGLE POINTER |
| Material | COPPER ALLOY CASE |
| Pointer Purpose | STATE WHEATHER ITEM IS OPENED OR CLOSED |
| 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 |
|---|---|
| 12101 ITEM 3 PN B-818-12530-6 | B.w. Elliott Manufacturing Co., Llc (USA) |
| B-818-12530-6 | B.w. Elliott Manufacturing Co., Llc (USA) |
| 12530-6 PRIMARY | B.w. Elliott Manufacturing Co., Llc (USA) |
| Reference | Meaning |
|---|---|
| 12530 | D/9 Drawing number reference only B.w. Elliott Manufacturing Co., Llc |
NSN 4820-01-483-8512 is a Indicator,valve Opening, manufactured by B.w. Elliott Manufacturing Co., Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-483-8512 has 3 manufacturer part numbers on file: 12101 ITEM 3 PN B-818-12530-6 (B.w. Elliott Manufacturing Co., Llc), B-818-12530-6 (B.w. Elliott Manufacturing Co., Llc), 12530-6 (B.w. Elliott Manufacturing Co., Llc).
Key specifications for 12530-6: Pointer Type: INDICATING SINGLE POINTER; Special Features: INDICATOR HS UP/DOWN MOVEMENT WITHIN A SLOT; End Item Identification: REMOTE OPERATOR, (NIMITZ CLASS CVN); Material: COPPER ALLOY CASE. 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.