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 |
|---|---|---|---|---|---|---|---|---|
| 1542D 3/4IN 40PSI | 77081 | A | 3 | 2 | 6 | AX | ||
| 1542D 3/4IN 40PSI | 38056 | A | 5 | 9 | 6 | AX | ||
| F-202 PART 844 | 77081 | A | 5 | 2 | 6 | AX |
CAGE Information
| Code | Company |
|---|---|
| 38056 | ASHCROFT INC. |
| 77081 | INGERSOLL-DRESSER PUMP CO |
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 | COPPER ALLOY FLOW CONTROL DEVICE |
| FEAT | SPECIAL FEATURES | VALVE SIZE 0.750 IN. |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE 2ND END |
| ADQU | FLOW CONTROL DEVICE | DISK |
| MATT | MATERIAL | COPPER ALLOY BODY |
| STYL | STYLE DESIGNATOR | ERR-090 |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| CQGM | MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END |
| ADSU | DISK LOADING METHOD | SPRING |
| CSDC | OPENING PRESSURE SETTING | 40.0 POUNDS PER SQUARE INCH |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM 2ND RESPONSE |
| AEHZ | MAXIMUM OPERATING TEMP | 406.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | ERR-090 ERR-100 |
| THSD | THREAD SERIES DESIGNATOR | NPT ALL ENDS |