The Indicator,valve Opening, cataloged under National Stock Number 4820-01-500-5268, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-500-5268 |
| Primary Part Number | 501-7066671 |
| Item Name | Indicator,valve Opening |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Pointer Type | INDICATING ALL REFERENCE POINTERS |
| Pointer Purpose | OPEN OR CLOSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 501-7066671 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H525-7710 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-500-5268 is a Indicator,valve Opening, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-500-5268 has 1 manufacturer part number on file: 501-7066671 (Naval Sea Systems Command).
Key specifications for 501-7066671: Pointer Type: INDICATING ALL REFERENCE POINTERS; Special Features: OPERATOR ASSY.MNL REMOTE,"T" HANDLE WRENCH.; End Item Identification: LOS ANGELES CLASS; Pointer Purpose: OPEN OR CLOSE. 2 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 4820-01-500-5268 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.