The Valve,check, cataloged under National Stock Number 4820-00-289-2499, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 14 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-289-2499 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | CANCELLED |
| Flow Control Device | DISK |
| Connection Style | GASKET SEAL (BOSS) ALL ENDS |
| Mounting Position | VERTICAL |
| Connection Type | THREADED INTERNAL BOSS ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | QQ-A-225/5,ALLOY 2017 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-A-225/5,ALLOY 2017 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Operating Pressure | 75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Maximum Operating Temp | 1565.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Disk Loading Method | SPRING |
| Surface Treatment | ANODIZE |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Thread Class | 3B ALL ENDS |
| Material | ALUMINUM ALLOY 2017 BODY |
| Material | ALUMINUM ALLOY SEAT |
| Material | ALUMINUM ALLOY 2017 FLOW CONTROL DEVICE |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1-1750-85 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
| 1111-517713 | 5/9 Secondary reference U.S. Government activity |
| 1-1750-85 | 5/9 Secondary reference U.S. Government activity |
| 12310862 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| MIL-DTL-7899 | 4/1 Identification reference U.S. Government activity |
| 8CB230 | 5/1 Secondary reference U.S. Government activity |
| MIL-V-7899 | 5/9 Secondary reference U.S. Government activity |
| 4820002892499 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 2-1794-1 | 5/9 Secondary reference U.S. Government activity |
| 1-1750-85 | 5/9 Secondary reference U.S. Government activity |
| MS28882B-8 | 2/2 Government specification standardization U.S. Government activity |
| K1377-8 | 5/9 Secondary reference Essex Industries, Inc. Dba Essex Industries |
| 593-8D63 | 5/9 Secondary reference U.S. Government activity |
| 1111-517713 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
NSN 4820-00-289-2499 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: cancelled.
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-478-3896, 4820-01-607-3533. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-00-289-2499: Flow Control Device: DISK; Connection Style: GASKET SEAL (BOSS) ALL ENDS; Mounting Position: VERTICAL; Connection Type: THREADED INTERNAL BOSS ALL ENDS. 21 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 4820-00-289-2499 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.