The Valve,check, cataloged under National Stock Number 4820-00-924-6517, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pneudraulics, Inc.. Government technical data includes 23 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 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 | 4820-00-924-6517 |
| Primary Part Number | 9283-2 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pneudraulics, Inc. |
| Status | ACTIVE |
| Flow Control Device | CONE |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Style Designator | STRAIGHT THRU |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES SECOND END IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Seat Angle | 37.0 DEGREES SECOND END |
| Disk Loading Method | SPRING |
| Thread Class | 3A FIRST END A |
| Thread Class | 3A SECOND END A |
| Thread Quantity Per Inch | 16 SECOND END |
| Thread Quantity Per Inch | 14 FIRST END |
| Material | ALUMINUM ALLOY SEAT |
| Material | ALUMINUM ALLOY BODY |
| Thread Series Designator | UNF FIRST END |
| Thread Series Designator | UNF SECOND END |
| 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 |
|---|---|
| 9283-2 PRIMARY | Pneudraulics, Inc. (USA) |
NSN 4820-00-924-6517 is a Valve,check, manufactured by Pneudraulics, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-924-6517 has 1 manufacturer part number on file: 9283-2 (Pneudraulics, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6520-01-365-8714. Verify interchangeability with system specifications before substitution.
Key specifications for 9283-2: Flow Control Device: CONE; Connection Style: FLARED (TUBE) SECOND END; Connection Style: FLARED (TUBE) FIRST END; Connection Type: THREADED EXTERNAL TUBE FIRST END. 23 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.