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National Stock Number:
4820-01-702-7581
Federal Supply Class:
4820
National Item Identification Number:
017027581
Description:
VALVE,LINEAR,DIRECTIONAL CONTROL
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Manufacturer Information:
| FCFA2810500L | 92555 | THE LEE CO |
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Techincal Specification:
| END CONNECTION QUANTITY | 2 | | BODY MATERIAL | STEEL CORROSION RESISTING | | PART NAME ASSIGNED BY CONTROLLING AGENCY | 281 FLOW CONTROL/ INSERT RETAINED, DIRECTIONAL FLOW CONTROL VALVE WITH INTEGRAL SAFETY SCREENS | | SPECIAL FEATURES | RESTRICTED FLOW IN ONE DIRECTION AND FREE FLOW IN THE OTHER DIRECTION. BODY, PIN, SPRING SEAT, ORIFICE PLATE, SHUTTLE PLATE: 303 CRES (AMS-QQ-S-763C). SPRING: 17-7PH CRES (AMS5678). SCREEN: 304L CRES (ASTM A 666). BRAZE: AMS4774. ALL CRES PARTS PASSIVATED. NOMINAL SYSTEM PRESSURE UP TO 3000 PSI. 175 LOHMS MAX. NOMINAL WEIGHT: 4.7 GRAMS. CRACKING PRESSURE: 2 - 8 PSID. NOMINAL SCREEN HOLE SIZE: 0.008 INCHES. PLUS/MINUS 10 PERCENT LOHN RATE TOLERANCE. 0.281 IN DIAMETER AND 0.96 IN LENGTH. | | VALVE OPERATION METHOD | AUTOMATIC |
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