Part Number
Part Number:
NSN:
NIIN:
Item Name:
SPRING , HELICAL , TORSION
Definition:
AN OPEN-OR CLOSE-WOUND COIL SPRING CONSISTING OF ONE OR MORE HELICAL COILS, WOUND FROM DIFFERENT SHAPES AND TYPES OF MATERIAL AND FINISHED AT THE ENDS, DESIGNED TO EXERT PRESSURE IN A ROTATING DIRECTION AROUND THE COIL AXIS. EXCLUDES SPRINGS DESIGNED FOR THERMAL ACTUATION (SPRINGS IN WHICH THE TORSION FORCES ARE COUNTERACTED BY CHANGES IN TEMPERATURE) AND SPRING, REINFORCING, HOSE.
CAGE Information
| Code | Company |
|---|---|
| 65886 | PROMINENT FLUID CONTROLS INC |
Federal Supply Class
Title
COIL, FLAT, LEAF, AND WIRE SPRIN
Inclusions:
INCLUDES COMPRESSION SPRINGS; TORSION SPRINGS; LEAF SPRING ASSEMBLIES; FLAT SPRINGS; EXTENSION SPRINGS.
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| MATT | MATERIAL | STEEL COMP 316 OVERALL |
| FEAT | SPECIAL FEATURES | SUCTION AND DISCHARGE VALVES MODEL NUMBERS: G/B 1000, 1601, 1201, 0803, 1002; BT 4 & G/L 1000, 1601, 1602, 1005, 1605. PRESSURE RATING = 1 OR (0.05 BAR). ITEM IS .250 INCH. DISCHARGE VALVE SPRINGS MAY BE USED INSTEAD OF AN EXTERNAL BACKPRESSURE VALVE TO IMPROVE REPEATABILITY WHEN DISCHARGING TO AN OPEN TANK. SUCTION VALVE SPRINGS IN EXCESS OF 1 PSIG (0.05 BAR) MAKE PRIMING DIFFICULT; AND IN THE EXCESS OF 7 PSIG (0.5 BAR) MAKES PUMPING IMPOSSIBLE, EXCEPT WHERE SUCTION PRESSURE EXCEEDS SPRING PRESSURE. NOT RECOMMENDED FOR ANTISIPHON- -USE A DIAPHRAGM-TYPE BACKPRESSURE VALVE FOR ANTISIPHON PROTECTION. |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE, SPRING |