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National Stock Number:
4820-01-362-6708
Federal Supply Class:
4820
National Item Identification Number:
013626708
Description:
VALVE,REGULATING,FLUID PRESSURE
Detail:
A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes REGULATOR, PRESSURE, MEDICAL GAS ADMINISTRATION APPARATUS; REGULATOR, OXYGEN, BAROMETRIC CONTINUOUS FLOW; REGULATOR, OXYGEN DEMAND; REGULATOR, OXYGEN DILUTER DEMAND; and valve(1), fluid pressure regulating, aircraft.
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Manufacturer Information:
| 17B8D8630 | 88277 | THE BOEING COMPANY | | 17B8D8630-1 | 88277 | THE BOEING COMPANY | | 2R3356 | 99240 | CRISSAIR INC |
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Techincal Specification:
| END CONNECTION QUANTITY | 2 | | FIRST END CONNECTION TYPE | THREADED EXTERNAL TUBE | | FIRST END STYLE DESIGNATOR | FLARELESS | | FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.750 INCHES NOMINAL | | FIRST END THREAD DIRECTION | RIGHT-HAND | | FIRST END THREAD CLASS | 3A | | FLOW CONTROL DEVICE | POPPET | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763, CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE | | MATERIAL | STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X BODY | | MATERIAL | STEEL COMP 440C FLOW CONTROL DEVICE | | REGULATION TYPE | AUTOMATIC SINGLE STAGE | | SECOND END CONNECTION TYPE | THREADED EXTERNAL TUBE | | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL | | SPECIAL FEATURES | MEDIA; FLUIDS: LUBE OIL PER MIL-L-7808 & MIL-L-23699; PRESSURES: OPERATING-400 PSIG MAX; PROOF: 600 PSIG AT MINUS 65 DEG INLET & VENT 50 PSIG AT 260 DEG F OUTLET; BURST: 1000 PSIG AT MINUS 65 DEG F INLET & VENT 100 PSIG AT 260 DEG F OUTLET; CRACKING; IN-LET TO OUTLET 18 PLUS OR MINUS 2 PSID; TEMPERATURE RANGE; NORMAL OPERATION; -65 DEG F TO 260 DEG F; EXCURSIONS; 260 DEG F FOR 120 MIN PER 8 HR PERIOD; 285 DEG F FOR 30 MINUTES; HEAT TREAT POPPET TO RC 57-60 PER MIL-H-6875; ITEM CONSISTS OF 6 COMPONENTS: 1 BODY ASSY CONSISTING OF: BODY,P/N 2R3053- -10; POPPET,P/N 2R3053-4; SPRING,P/N 2R3053-5; AND 1 STOP,P/N 2R3053-7; 1 RETAINER,P/N 2R3053-3; 1 FITTING,P/N 2R3053-6; 1 O-RING,P/N M25988/1- 912; 1 O-RING,P/N M25988/1-904 AND AS/REQ,LOCKWIRE,MS20995C32 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE | | SURFACE TREATMENT | PASSIVATE OUTSIDE | | THREAD SIZE AND SERIES/TYPE DESIGNATOR | 3/4-12 UNIFIED NATIONAL JOINT (UNJ) FIRST END |
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