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 |
|---|---|---|---|---|---|---|---|---|
| 581R855H01 | 97942 | A | 3 | 2 | A | AX | ||
| D559A-8D-45 | 91816 | A | 3 | 2 | 6 | AX | ||
| 581R855 | 97942 | A | D | 9 | A | AX |
CAGE Information
| Code | Company |
|---|---|
| 91816 | CIRCOR AEROSPACE INC. DBA CIRCLE SEA |
| 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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 |
|---|---|---|
| AEHZ | MAXIMUM OPERATING TEMP | -40.0 DEG FAHRENHEIT 1ST RESPONSE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MATT | MATERIAL | STEEL COMP 303 FLOW CONTROL DEVICE |
| MEDA | MEDIA FOR WHICH DESIGNED | HELIUM 5TH RESPONSE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| THSD | THREAD SERIES DESIGNATOR | UNJF 1ST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| TMQY | FURNISHED ITEMS AND QUANTITY | 1 DEFLECTOR CAP |
| AAJD | THREAD CLASS | 3A 1ST END |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
| SFTT | SURFACE TREATMENT | ANODIZE |
| CSDC | OPENING PRESSURE SETTING | 45.0 POUNDS PER SQUARE INCH |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| STYL | STYLE DESIGNATOR | ERR-090 |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| MEDA | MEDIA FOR WHICH DESIGNED | ALCOHOL, ETHYL 2ND RESPONSE |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| MEDA | MEDIA FOR WHICH DESIGNED | AMMONIA, GASEOUS 3RD RESPONSE |
| ADSU | DISK LOADING METHOD | SPRING |
| CMLP | THREAD QUANTITY PER INCH | 16 1ST END |
| AEHZ | MAXIMUM OPERATING TEMP | 280.0 DEG FAHRENHEIT 2ND RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON 4TH RESPONSE |
| AHNC | CONNECTION STYLE | ERR-090 ERR-100 |
| CQGM | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 SEAT |
| CQJX | NOMINAL THREAD SIZE | 0.750 INCHES 1ST END |
| ADSY | VALVE DISCHARGE FLOW RATE | 40.0 CUBIC FEET PER MINUTE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE |
Similar Parts
D559A-8D-45 ,
D559A8D45 ,
4820-01-088-2874 ,
4820010882874 ,
010882874
,
581R855H01 ,
D559A-8D-45 ,
581R855 ,