The Valve,check, cataloged under National Stock Number 4820-00-919-4806, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-919-4806 |
| Primary Part Number | 805-921580REVMPC1T04 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | CANCELLED |
| Valve Operation Method | AUTOMATIC |
| Style Designator | STRAIGHT THRU |
| Nominal Thread Size | 2.500 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL HOSE FIRST END |
| Nominal Thread Size | 1.375 INCHES SECOND END IN |
| Flow Control Device | DISK |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Connection Style | PLAIN (HOSE) FIRST END |
| Thread Series Designator | SUBMARINE THD ALL ENDS |
| Connection Style | SWIVEL NUT, GASKET SEAL (GAS FITTING) SECOND END |
| Connection Type | THREADED INTERNAL HOSE SECOND END |
| Material | COPPER ALLOY OVERALL |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 805-921580 | Naval Ship Systems Command (USA) |
| 805-921580REVMPC1T04 PRIMARY | Naval Ship Systems Command (USA) |
| 29039A | Desco Corporation (USA) |
NSN 4820-00-919-4806 is a Valve,check, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-919-4806 has 3 cross-referenced part numbers: 805-921580 (Naval Ship Systems Command), 805-921580REVMPC1T04 (Naval Ship Systems Command), 29039A (Desco Corporation).
There is 1 known substitute for 4820-00-919-4806: 5930-00-823-0577. Verify interchangeability with system specifications before substitution.
Key specifications for 805-921580REVMPC1T04: Valve Operation Method: AUTOMATIC; Style Designator: STRAIGHT THRU; Nominal Thread Size: 2.500 INCHES FIRST END IN; Connection Type: THREADED EXTERNAL HOSE FIRST END. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-919-4806 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.