National Stock Number (NSN) Output Data
NSN:
NIIN:
Item Name:
VALVE , SAFETY RELIEF
Definition:
A VALVE DESIGNED TO AUTOMATICALLY RELEASE EXCESSIVE PRESSURES. IT IS ACTUATED BY STATIC PRESSURE UPSTREAM OF THE VALVE AND IS USED AS A SAFETY VALVE OR RELIEF VALVE, AND MAY BE SET TO CLOSE AT A PREDETERMINED PRESSURE. IT IS NOT DESIGNED FOR REGULATION OF CONTINUOUSLY FLUCTUATING LOADS. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. EXCLUDES VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| D539A2M5 | 91816 | A | 5 | 9 | 3 | SE | ||
| C1058A2D5 | 81755 | A | 7 | 2 | 1 | SE | ||
| D559A-2M-5 | 91816 | A | 3 | 2 | 3 | ZZ |
CAGE Information
| Code | Company |
|---|---|
| 81755 | LOCKHEED MARTIN CORPORATION DBA LOCK |
| 91816 | CIRCOR AEROSPACE INC. DBA CIRCLE SEA |
Federal Supply Class
Title
VALVES, NONPOWERED
Inclusions:
INCLUDES AUTOMATIC NONPOWERED VALVES; GATE, GLOBE, ANGLE, CHECK, AND RELIEF VALVES; COCKS.
Exclusions:
EXCLUDES FIRE HYDRANTS (FSC 4210); SPRINKLER HEADS (FSC 4210); VALVES SPECIFICALLY DESIGNED FOR USE WITH FIRE FIGHTING EQUIPMENT (FSC 4210); PLUMBING EQUIPMENT, AND THE LIKE (FSC 4540).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| MATT | MATERIAL | STEEL COMP 303 FLOW CONTROL DEVICE |
| MATT | MATERIAL | STEEL COMP 303 SEAT |
| AEHZ | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END |
| FEAT | SPECIAL FEATURES | REFRIGERANT 12 SIXTH MEDIA |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| THSD | THREAD SERIES DESIGNATOR | NPT 1ST END |
| CMLP | THREAD QUANTITY PER INCH | 18 1ST END |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 3031/SAE 30303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| MEDA | MEDIA FOR WHICH DESIGNED | BUTANE 2ND RESPONSE |
| STYL | STYLE DESIGNATOR | ERR-090 |
| MEDA | MEDIA FOR WHICH DESIGNED | GAS, INERT 4TH RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | AMMONIA, LIQUID 1ST RESPONSE |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON 3RD RESPONSE |
| AHNC | CONNECTION STYLE | ERR-090 ERR-100 |
| CSDC | OPENING PRESSURE SETTING | 5.0 POUNDS PER SQUARE INCH |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 1ST END |
| CQGM | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MATT | MATERIAL | STEEL COMP 303 BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | HYDROGEN 5TH RESPONSE |
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