The Valve,check, cataloged under National Stock Number 4820-01-480-2278, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Vernay Laboratories Inc. Government technical data includes 14 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-480-2278 |
| Primary Part Number | 1068-106 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Vernay Laboratories Inc |
| Status | ACTIVE |
| Flange Face Design | RAISED WITH CURVE AND RADIUS FIRST END |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Mounting Position | VERTICAL |
| Supplementary Features | FLOW CONTROL DEVICE: STEM |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Nominal Outside Diameter Tube Accommodated | 0.100 INCHES FIRST END IN |
| Operating Pressure | 8.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | LIQUID SINGLE RESPONSE |
| Material | RUBBER BODY |
| Material | PLASTIC SEAT |
| Raised Face Nominal Diameter | 0.563 INCHES FIRST END IN |
| Valve Operation Method | AUTOMATIC |
| Raised Face Nominal Height | 0.012 INCHES FIRST END IN |
| 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 |
|---|---|
| 1068-106 PRIMARY | Vernay Laboratories Inc (USA) |
| VL1068-106 | Vernay Laboratories Inc (USA) |
NSN 4820-01-480-2278 is a Valve,check, manufactured by Vernay Laboratories Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-480-2278 has 2 manufacturer part numbers on file: 1068-106 (Vernay Laboratories Inc), VL1068-106 (Vernay Laboratories Inc).
1 possible match (shared part number, not a government interchangeability claim): 2990-01-707-0595. Verify interchangeability with system specifications before substitution.
Key specifications for 1068-106: Flange Face Design: RAISED WITH CURVE AND RADIUS FIRST END; Connection Style: PLAIN (TUBE) ALL ENDS; Mounting Position: VERTICAL; Supplementary Features: FLOW CONTROL DEVICE: STEM. 14 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.