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National Stock Number:
4930-01-451-6809
Federal Supply Class:
4930
National Item Identification Number:
014516809
Description:
VENT UNIT,RELIEF
Detail:
A SPRING LOADED DEVICE EQUIPPED WITH AUTOMATIC PRESSURE AND VACUUM RELIEF VALVES TO RELIEVE DRUM STRUCTURE OF EXCESSIVE VAPOR PRESSURE BUILD-UPS AND PROVIDE FOR VACUUM RELIEF TO FACILITATE LIQUID FLOW. IT ALSO SERVES AS A FILLING UNIT WITH REMOVABLE CAP WITH CHAIN ATTACHMENT.
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Manufacturer Information:
| 31272-1 | 82205 | BELFORT INSTRUMENT COMPANY | | 62828-90352-2 | 0J8A4 | AWI SYSTEMS MANAGEMENT INC | | 62828-90352-2 | 97384 | TEXTRON SYSTEMS CORPORATION |
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Techincal Specification:
| SPECIAL FEATURES | STATIC PRESSURE VENT; 5.12 IN W X 3.55 IN H; .750 IPT; ITEM SHALL MINIMIZE THE ERROR OF BAROMETRIC PRESSURE MEASUREMENT DUE TO WIND SPEED; SHALL DELIVER AT ITS OUTPUT MEASUREMENT PORT A REPRESENTATION OF STATIC AMBIENT ATMOSPHERIC PRESSURE ACCURATE WITHIN +/-0.014 IN. HG WHEN EXPOSED TO WIND UP TO 30 KNOTS AT ANY AZIMUTH AND AT NORMAL INCIDENCE IN ELEVATION |
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