The Valve,check, cataloged under National Stock Number 4820-01-566-6947, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Faster Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-566-6947 |
| Primary Part Number | VU34F-34F |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Faster Inc |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 5437.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| 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 |
|---|---|
| VU34F-34F PRIMARY | Faster Inc (USA) |
| 1470030 | Lidan Marine Ab (SWE) |
| 17799 ITEM 1 | Lidan Marine Ab (SWE) |
| Reference | Meaning |
|---|---|
| 1470030 | 5/9 Secondary reference Lidan Marine Ab |
| 17799 ITEM 1 | 5/9 Secondary reference Lidan Marine Ab |
NSN 4820-01-566-6947 is a Valve,check, manufactured by Faster Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-566-6947 has 3 manufacturer part numbers on file: VU34F-34F (Faster Inc), 1470030 (Lidan Marine Ab), 17799 ITEM 1 (Lidan Marine Ab).
Key specifications for VU34F-34F: Connection Type: THREADED INTERNAL PIPE FIRST END; Style Designator: STRAIGHT THRU; Operating Pressure: 5437.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Operation Method: AUTOMATIC. 4 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.