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National Stock Number:
4820-01-626-3888
Federal Supply Class:
4820
National Item Identification Number:
016263888
Description:
VALVE,STOP-LIFT-CHECK
Detail:
A VALVE WITH A STEM THAT MAY BE MECHANICALLY ACTUATED TO THREE DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, THE VALVE DISK IS LOCATED AND LOCKED AGAINST THE SEAT PERMITTING NO FLUID FLOW THROUGH THE VALVE. IN THE SECOND POSITION, ONE SIDE OF THE VALVE DISK IS LOCATED AGAINST THE SEAT PERMITTING MOVEMENT OF THE DISK IN A MANNER THAT WILL ALLOW A FLOW OF FLUID IN ONE DIRECTION THROUGH THE VALVE. IN THE THIRD POSITION, THE VALVE DISK IS LIFTED FROM THE SEAT TO ALLOW A FLOW OF FLUID IN EITHER DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. SEE ALSO VALVE, LIFT-CHECK AND VALVE, STOP-CHECK.
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Manufacturer Information:
| 11-937 | 27195 | ACTRONICS INCORPORATED | | 60762-008 | 12536 | AMETEK THERMAL SYSTEMS INC | | 60762-008 | 3B1R2 | BELL BOEING JOINT PROJECT OFFICE |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B221 OR 11-A-225/8 ASSN STD SINGLE MATERIAL RESPONSE BODY | | MATERIAL | ALUMINUM ALLOY BODY | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY: VALVE BYPASS HYD; DRAWIG: VALVE, BYPASS RELIEF, TEMPERATURE AND PRESSURE HYDRAULIC | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL OUTSIDE DIAMETER | 0.8285 INCHES 2ND END | | NOMINAL OUTSIDE DIAMETER | 1.040 INCHES 1ST END | | NOMINAL THREAD SIZE | 1.0625 INCHES 1ST END | | SPECIAL FEATURES | VALVE FULLY OPEN AT 150 DEG F AND BELOW, STARTS TO CLOSE BETWEEN 150-A80 DEG F, AND IS FULLY CLOSED AT 180 DEG F; FLUID: HYDRAULIC PER MIL-H-83282; PROOF PRESSURE: 400PSIG; BURST PRESSURE: 800 PSIG; MATERIALS; PACKING: FLUOROCARBON M83248/1-912, CAP: ALUMINUM PER ASTM B221 OR QQ-A-225/8, SPRING, SPRING PIN, POPPET: STAINLESS STEEL, CUP AND GUIDE: ALUMINUM | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | SCREW-IN CARTRIDGE | | SURFACE TREATMENT | ANODIZE | | THREAD CLASS | 3A 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD QUANTITY PER INCH | 12 1ST END | | THREAD SERIES DESIGNATOR | UNJF 1ST END | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625, TYPE II, CLASS I MIL SPEC SINGLE TREATMENT RESPONSE | | CONNECTION TYPE | THREADED CARTRIDGE 1ST END | | CONNECTION STYLE | PLAIN (SCREW-IN CARTRIDGE) 1ST END |
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