The Valve,check, cataloged under National Stock Number 4820-01-729-4668, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-729-4668 |
| Primary Part Number | DT-750-MFMO-5 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Nominal Length | 2.09 INCHES ALL ENDS IN |
| Valve Size | 0.75 INCHES IN |
| Nominal Thread Size | 1.0625 INCHES ALL ENDS IN |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Thread Series Designator | UN 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 |
|---|---|
| DT-750-MFMO-5 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
NSN 4820-01-729-4668 is a Valve,check, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-729-4668 has 1 manufacturer part number on file: DT-750-MFMO-5 (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).
Key specifications for DT-750-MFMO-5: Nominal Length: 2.09 INCHES ALL ENDS IN; Valve Size: 0.75 INCHES IN; Nominal Thread Size: 1.0625 INCHES ALL ENDS IN; Special Features: MALE FLARE 37 DEGREE JIC INLET TO MALE O-RING BOSS OUTLET. 6 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.