NSN 4820-00-287-3139 · NIIN 002873139 · FSC 4820
NO DASHES 4820002873139
In Stock
VALVE,SAFETY RELIEF
Valves, Nonpowered
Technical characteristics
23 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 |
|---|---|---|
| MATT | MATERIAL | STEM STEEL COMP 410 |
| AWLS | CONNECTION TYPE | ALL ENDS UNTHREADED INTERNAL PIPE |
| MATT | MATERIAL | FLOW CONTROL DEVICE STEEL COMP 316 |
| FEAT | SPECIAL FEATURES | W/LIFTING LEVER AND INCONEL SPRING |
| MATT | MATERIAL | BODY STEEL COMP 316 |
| CQCY | ADJUSTABLE PRESSURE RANGE | POUNDS PER SQUARE INCH 33.0 TO 55.0 |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 2000.0 |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | SECOND END INCHES 0.500 |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSU | DISK LOADING METHOD | SPRING |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | FIRST END INCHES 1.000 |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE STEAM |
| STYL | STYLE DESIGNATOR | |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TYPE A-1 AND CLASS C |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BODY ASSN STD SINGLE MATERIAL RESPONSE AST- A479 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FLOW CONTROL DEVICE ASSN STD SINGLE MATERIAL RESPONSE AST- A479 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | STEM ASSN STD SINGLE MATERIAL RESPONSE AST- A276 COND T |
| AEQJ | MINIMUM OPERATING TEMP | FAHRENHEIT 401.0 |
| AHNC | CONNECTION STYLE | |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 800.0 |
| CSDC | OPENING PRESSURE SETTING | POUNDS PER SQUARE INCH 50.0 |
| ADSY | VALVE DISCHARGE FLOW RATE | POUNDS PER HOUR 93.0 |
Cross-references
3 manufacturer part numbers on file for this NSN — each shown against the CAGE code it belongs to.
| Manufacturer part number | CAGE |
|---|---|
| 1990T-1/2X1-36-50PSI | 16497 |
| 1990T-1/21 35-50PSI | 16497 |
| 1990 | 16497 |