The Valve,check, cataloged under National Stock Number 4820-01-515-0600, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Plainville Electrical Products Company, the Dba Plainville Electrical Products. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-515-0600 |
| Primary Part Number | NIP0043 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Plainville Electrical Products Company, the Dba Plainville Electrical Products |
| Status | ACTIVE |
| Media for Which Designed | HYDROGEN SINGLE RESPONSE |
| Material | COPPER ALLOY BODY |
| 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 |
|---|---|
| 1621 ITEM 29 | Plainville Electrical Products Company, the Dba Plainville Electrical Products (USA) |
| NIP0043 PRIMARY | Plainville Electrical Products Company, the Dba Plainville Electrical Products (USA) |
| Reference | Meaning |
|---|---|
| 1621 | D/9 Drawing number reference only Plainville Electrical Products Company, the Dba Plainville Electrical Products |
NSN 4820-01-515-0600 is a Valve,check, manufactured by Plainville Electrical Products Company, the Dba Plainville Electrical Products, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-515-0600 has 2 manufacturer part numbers on file: 1621 ITEM 29 (Plainville Electrical Products Company, the Dba Plainville Electrical Products), NIP0043 (Plainville Electrical Products Company, the Dba Plainville Electrical Products).
Key specifications for NIP0043: Special Features: 1/4 NPT BRASS; Media for Which Designed: HYDROGEN SINGLE RESPONSE; Part Name Assigned by Controlling Agency: NIPPLE W/CHECK VALVE; End Item Identification: CALIBRATION SET ASSEMBLY, HYDROGEN DETECTOR SYSTEM; WSD: VIRGINIA CLASS SUBMARINE SSN-774. 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.
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.