The Valve,check, cataloged under National Stock Number 4820-01-606-0895, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Grainger Div of W W Grainger Inc. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-606-0895 |
| Primary Part Number | PP CHK 695-4B4B-F |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Grainger Div of W W Grainger Inc |
| Status | ACTIVE |
| Connection Style | BARBED-BEADED (HOSE) ALL ENDS |
| Connection Type | UNTHREADED EXTERNAL HOSE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Valve Size | 0.250 INCHES IN |
| Maximum Operating Temp | 140.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Face to Face Distance | 2.02 INCHES IN |
| Material | PLASTIC POLYPROPYLENE OVERALL |
| Opening Pressure Setting | 125.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 4DHY4 | Grainger Div of W W Grainger Inc (USA) |
| PP CHK 695-4B4B-F PRIMARY | Grainger Div of W W Grainger Inc (USA) |
NSN 4820-01-606-0895 is a Valve,check, manufactured by Grainger Div of W W Grainger Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-606-0895 has 2 manufacturer part numbers on file: 4DHY4 (Grainger Div of W W Grainger Inc), PP CHK 695-4B4B-F (Grainger Div of W W Grainger Inc).
Key specifications for PP CHK 695-4B4B-F: Connection Style: BARBED-BEADED (HOSE) ALL ENDS; Connection Type: UNTHREADED EXTERNAL HOSE ALL ENDS; Style Designator: STRAIGHT THRU; Valve Size: 0.250 INCHES IN. 9 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.