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 |
|---|---|---|---|---|---|---|---|---|
| 559T-4D-45 | 91816 | A | 3 | 2 | 3 | HH | ||
| 2187647 | 49671 | F | 5 | 9 | 1 | HH | ||
| 2187647-4 | 49671 | F | 5 | 9 | 1 | HH |
CAGE Information
| Code | Company |
|---|---|
| 49671 | LOCKHEED MARTIN CORP LOCKHEED MARTIN |
| 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 |
|---|---|---|
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END |
| THSD | THREAD SERIES DESIGNATOR | UNJF 1ST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| MATT | MATERIAL | STEEL COMP 303SE OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| AAJD | THREAD CLASS | 3A 1ST END |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
| CSDC | OPENING PRESSURE SETTING | 45.0 POUNDS PER SQUARE INCH |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| STYL | STYLE DESIGNATOR | ERR-090 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303SE-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| FEAT | SPECIAL FEATURES | VALVE SIZE 0.250 IN. |
| ADSU | DISK LOADING METHOD | SPRING |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON 2ND RESPONSE |
| AHNC | CONNECTION STYLE | ERR-090 ERR-100 |
| AEHZ | MAXIMUM OPERATING TEMP | 280.0 DEG FAHRENHEIT SINGLE RESPONSE |
| CQGM | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END |
| MEDA | MEDIA FOR WHICH DESIGNED | HYDROGEN 3RD RESPONSE |
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