The Valve,check, cataloged under National Stock Number 4820-01-247-6908, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Link-Belt Cranes, L.p., Lllp. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-247-6908 |
| Primary Part Number | JC4255 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Link-Belt Cranes, L.p., Lllp |
| Status | ACTIVE |
| Connection Style | PLAIN, OPTIONAL END (PIPE) SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Thread Series Designator | NPTF ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| JC4255 PRIMARY | Link-Belt Cranes, L.p., Lllp (USA) |
| Reference | Meaning |
|---|---|
| JC4255-A | 5/9 Secondary reference Link-Belt Cranes, L.p., Lllp |
NSN 4820-01-247-6908 is a Valve,check, manufactured by Link-Belt Cranes, L.p., Lllp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-247-6908 has 1 manufacturer part number on file: JC4255 (Link-Belt Cranes, L.p., Lllp).
Key specifications for JC4255: Connection Style: PLAIN, OPTIONAL END (PIPE) SECOND END; Connection Style: PLAIN (PIPE) FIRST END; Mounting Position: HORIZONTAL OR VERTICAL; Connection Type: THREADED INTERNAL PIPE SECOND END. 11 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.