The Valve,check, cataloged under National Stock Number 4820-01-035-6802, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-035-6802 |
| Primary Part Number | 2700123M1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | RECTANGULAR WITH HOLES FIRST END |
| Flange Face Design | PLAIN FIRST END |
| Nominal Length | 2.800 INCHES FIRST END IN |
| Mounting Position | HORIZONTAL |
| Connection Type | FLANGE FIRST END |
| Style Designator | STRAIGHT THRU |
| Bolt Hole Nominal Diameter | 0.203 INCHES ALL ENDS IN |
| Operating Pressure | 12.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 2.600 INCHES ALL ENDS IN |
| Disk Loading Method | WEIGHT |
| Mounting Facility | BRACKET(S) |
| Bolt Hole Quantity | 4 FIRST END |
| Nominal Width | 2.925 INCHES ALL ENDS IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 1.340 INCHES ALL ENDS IN |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Material | STEEL COMP 630 OVERALL |
| Valve Operation Method | AUTOMATIC |
| Nominal Thickness | 0.340 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2700123M1 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics (USA) |
| Reference | Meaning |
|---|---|
| 2700123M1 | 3/9 Design control — primary reference U.S. Government activity |
| 749812-101 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 4820-01-035-6802 is a Valve,check, manufactured by Parker-Hannifin Corporation Dba Pneutronics, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-035-6802 has 1 manufacturer part number on file: 2700123M1 (Parker-Hannifin Corporation Dba Pneutronics).
Key specifications for 2700123M1: Flow Control Device: DISK; Flange Shape: RECTANGULAR WITH HOLES FIRST END; Flange Face Design: PLAIN FIRST END; Nominal Length: 2.800 INCHES FIRST END IN. 19 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.
NSN 4820-01-035-6802 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.