The Indicator,valve Opening, cataloged under National Stock Number 4820-01-316-4783, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-316-4783 |
| Primary Part Number | B-12217-0150 PIECE 16 |
| Item Name | Indicator,valve Opening |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Material | COPPER ALLOY CASE |
| 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-12217-0150-16 | Hunt Valve Company, Inc. (USA) |
| B-12217-0150 PIECE 16 PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| B-12217-0150 PIECE 16 | 3/9 Design control — primary reference Pima Valve, Llc |
| B-12217-0150-16 | 5/9 Secondary reference Pima Valve, Llc |
NSN 4820-01-316-4783 is a Indicator,valve Opening, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-316-4783 has 2 manufacturer part numbers on file: B-12217-0150-16 (Hunt Valve Company, Inc.), B-12217-0150 PIECE 16 (Hunt Valve Company, Inc.).
Key specifications for B-12217-0150 PIECE 16: Material: COPPER ALLOY CASE. 1 specification is 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.