The Valve,check, cataloged under National Stock Number 4820-00-783-5975, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-783-5975 |
| Primary Part Number | 2296S16B |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex |
| Status | ACTIVE |
| Flow Control Device | BALL |
| Connection Style | PLAIN (TUBE) SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Thread Class | 2A SECOND END A |
| Material | STEEL COMP 304 FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING BODY |
| Thread Series Designator | NPT FIRST END |
| Thread Series Designator | UNF SECOND END |
| 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 |
|---|---|
| 2296S16B PRIMARY | Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex (USA) |
| 5370B | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 463-023-311 | Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex (USA) |
| 3298006 PC 101 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 200110FPC101 | 5/9 Secondary reference U.S. Government activity |
| 5370B | 5/9 Secondary reference U.S. Government activity |
| 200110FPC101 | 5/9 Secondary reference U.S. Government activity |
| 5370B | 3/9 Design control — primary reference U.S. Government activity |
NSN 4820-00-783-5975 is a Valve,check, manufactured by Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-783-5975 has 4 manufacturer part numbers on file: 2296S16B (Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex), 5370B (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 463-023-311 (Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex), 3298006 PC 101 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 6625-01-165-3153, 4820-01-365-2499. Verify interchangeability with system specifications before substitution.
Key specifications for 2296S16B: Flow Control Device: BALL; Connection Style: PLAIN (TUBE) SECOND END; Connection Style: PLAIN (PIPE) FIRST END; Mounting Position: HORIZONTAL OR VERTICAL. 17 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.