The Indicator,valve Opening, cataloged under National Stock Number 4820-01-581-0515, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-581-0515 |
| Primary Part Number | G547-0002-1970-003-035-8CP |
| Item Name | Indicator,valve Opening |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Length | 1.355 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Diameter | 0.125 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Material | PLASTIC CASE |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| G547-0002-1970-003-035-8CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 1970-503-008-1CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 1970-003-035-08CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 7550478-1970-003-035-8CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 1970-003-035-08 | 5/1 Secondary reference Mission Systems Orchard Park Inc |
| G547-0002-1970-003-035-8 | 5/1 Secondary reference U.S. Government activity |
| 1970-503-008-1 | 3/1 Design control — primary reference Mission Systems Orchard Park Inc |
| 7550478-1970-003-035-8 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 4820-01-581-0515 is a Indicator,valve Opening, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-581-0515 has 4 manufacturer part numbers on file: G547-0002-1970-003-035-8CP (Naval Inventory Control Point Mechanicsburg), 1970-503-008-1CP (Naval Inventory Control Point Mechanicsburg), 1970-003-035-08CP (Naval Inventory Control Point Mechanicsburg), 7550478-1970-003-035-8CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for G547-0002-1970-003-035-8CP: Length: 1.355 INCHES NOMINAL IN; Criticality Code Justification: ZZZY; Diameter: 0.125 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN; End Item Identification: SSGN CONVERSION. 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.