The Valve,stop-Check, cataloged under National Stock Number 4820-00-929-5699, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-929-5699 |
| Primary Part Number | MS28764-4 |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Style Designator | STRAIGHT THRU |
| Valve Operation Method | MANUAL |
| Bonnet Attachment Method | INTEGRAL |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Style | GASKET SEAL (BOSS) ALL ENDS |
| Connection Type | THREADED INTERNAL BOSS ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Flow Control Device | DISK |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Material | COPPER ALLOY BODY |
| Thread Series Designator | UNF ALL ENDS |
| Bonnet Type | INSIDE SPRING |
| Thread Class | 3B ALL ENDS |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS28764-4 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-V-19067 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4820-00-929-5699 is a Valve,stop-Check, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-929-5699 has 2 cross-referenced part numbers: MS28764-4 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-V-19067 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There is 1 known substitute for 4820-00-929-5699: 4820-00-777-8505. Verify interchangeability with system specifications before substitution.
Key specifications for MS28764-4: Mounting Position: HORIZONTAL OR VERTICAL; Style Designator: STRAIGHT THRU; Valve Operation Method: MANUAL; Bonnet Attachment Method: INTEGRAL. 15 total characteristics are documented in the Federal Logistics Information System.