The Valve,check, cataloged under National Stock Number 4820-00-708-9524, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Donaldson Company, Inc.. Government technical data includes 16 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-708-9524 |
| Primary Part Number | MLV00-7052 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Donaldson Company, Inc. |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Connection Style | PLAIN, OPTIONAL END (PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND 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 |
| Disk Loading Method | SPRING |
| Material | STEEL OVERALL |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | NPT FIRST 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 |
|---|---|
| MLV00-7052 PRIMARY | Donaldson Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| V5-4ML | 5/9 Secondary reference Donaldson Company, Inc. |
| 137600HA | 3/2 Design control — primary reference U.S. Government activity |
| 137600HA | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 7089524 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| V7-5ML | 5/9 Secondary reference Donaldson Company, Inc. |
NSN 4820-00-708-9524 is a Valve,check, manufactured by Donaldson Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-708-9524 has 1 manufacturer part number on file: MLV00-7052 (Donaldson Company, Inc.).
Key specifications for MLV00-7052: Flow Control Device: POPPET; Connection Style: PLAIN, OPTIONAL END (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Mounting Position: HORIZONTAL OR VERTICAL. 16 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.