NSN 4820-01-479-4978 · NIIN 014794978 · FSC 4820
NO DASHES 4820014794978
In Stock
VALVE,CHECK
Valves, Nonpowered
Technical characteristics
22 rows
Straight from the federal item record. Entries the record leaves empty are shown empty — nothing is filled in on its behalf.
| MRC | Requirement | Value |
|---|---|---|
| AAJD | THREAD CLASS | 3 |
| AAJF | THREAD DIRECTION | ALL ENDS RIGHT-HAND |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 450.0 |
| AEQJ | MINIMUM OPERATING TEMP | FAHRENHEIT -65.0 |
| AHNC | CONNECTION STYLE | |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | ALL ENDS THREADED INTERNAL PIPE |
| AZGM | MOUNTING FACILITY | THREADED FASTENER |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQJX | NOMINAL THREAD SIZE | ALL ENDS INCHES 0.750 |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 4500.0 |
| CSDC | OPENING PRESSURE SETTING | POUNDS PER SQUARE INCH 2.0 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | ASSEMBLY (CHARTED)-VALVE, CHECK, FREE FLOW |
| FEAT | SPECIAL FEATURES | O-RING AND SEAL MATERIAL IS OZONE RESISTANT NEOPRENE. ELECTRIC BOAT APPROVAL LETTER NO. 459/RDS-79-34 DATED 3/5/79; REVISION L6 APPROVAL FOR P.O. 624-D2011-K55 BY NEWPORT NEWS SHIPBUILDING LETTER 624D/K2055. ENC NUMBER BDW-322 DATED 6/21/83. OVERALL LENGTH OF VALVE IS 3-1/16 INCHES. |
| MATT | MATERIAL | SEAT RUBBER NATURAL |
| MATT | MATERIAL | OVERALL COPPER ALLOY |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| STYL | STYLE DESIGNATOR | |
| THSD | THREAD SERIES DESIGNATOR | ALL ENDS UNF |
Cross-references
4 manufacturer part numbers on file for this NSN — each shown against the CAGE code it belongs to.
| Manufacturer part number | CAGE |
|---|---|
| 022-09916 | 66935 |
| 9-1862-4 ASSY 493-10B22-2 | 09990 |
| 493-10B22-2 | 09990 |
| 9-1862-4 | 09990 |