The Valve,check, cataloged under National Stock Number 4820-01-526-7278, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Apical Industries, Inc.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-526-7278 |
| Primary Part Number | 605.102-100 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Apical Industries, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 605.102-100 PRIMARY | Apical Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 605.0102 | 5/1 Secondary reference Apical Industries, Inc. |
| 7385918 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4820-01-526-7278 is a Valve,check, manufactured by Apical Industries, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-526-7278 has 1 manufacturer part number on file: 605.102-100 (Apical Industries, Inc.).
Key specifications for 605.102-100: Part Name Assigned by Controlling Agency: PRESSURE ISOLATION VALVE; End Item Identification: VDSDR ASSEMBLY FOR REMOTE MINE HUNTING SYSTEM. 0 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.