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National Stock Number:
4820-01-640-6689
Federal Supply Class:
4820
National Item Identification Number:
016406689
Description:
VALVE,RELIEF,PRESSURE AND TEMPER
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Manufacturer Information:
| 23942175-1 | 99221 | TAVCO, INC. | | 623942175-1 | 99221 | TAVCO, INC. |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 1.000 INCHES NOMINAL | | BODY STYLE | STRAIGHT THRU | | END CONNECTION QUANTITY | 1 | | FIRST END THREAD CLASS | 3H | | FIRST END THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) | | FIRST END NOMINAL THREAD SIZE | 0.4375 INCHES | | OPENING PRESSURE SETTING | 4500.0 POUNDS PER SQUARE INCH | | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL | | SECOND END WIDTH ACROSS FLATS | 1.000 INCHES NOMINAL | | SPECIAL FEATURES | SERVICE: DRY AIR OR DRY NITROGEN; TEMP. RANGE: M31/P140 DEG F; PRESSURE RATINGS: OPERATING: 3000 PSIG @ 68 DEG F; CRACK: 4500+/- 150 PSIG; RESEAT: 4100 PSIG MIN; PROOF: 5000 PSIG: BURST: 7500 PSIG; RATED FLOW: 0.31 LB/MINUTE AT 5000 PSIG MAX; LEAKAGE: NONE BELOW 4100 PSIG; ACCEPTANCE TEST PER 43942175 | | SUPPLEMENTARY FEATURES | ONE INLET; TWO OUTLETS | | TEMP RATING | 140.0 FAHRENHEIT |
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