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National Stock Number:
4820-21-920-3373
Federal Supply Class:
4820
National Item Identification Number:
219203373
Description:
DISK,VALVE
Detail:
An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.
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Manufacturer Information:
| 7850-013 ITEM 5 | 57574 | VELAN VALVE CORP. | | 7850-013 SHEET 03B ITEM 05B | 35743 | VELAN INC | | 7945-053-005-S | 35743 | VELAN INC |
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Techincal Specification:
| III MATERIAL | FORGED CHROME MOLY STEEL ASTM A182 GRADE F11 | | NOMINAL THREAD SIZE | 2.625 INCHES | | OUTSIDE DIAMETER | 4.485 INCHES MINIMUM AND 4.495 INCHES MAXIMUM | | OVERALL HEIGHT | 3.0 INCHES NOMINAL | | SPECIAL FEATURES | HARDFACED WITH STELLITE 6; INTERNALLY THREADED BLIND HOLE IN UPPER PORTION ALONG VERTICAL CENTERLINE, 1.500 INCHES DEEP | | THREAD CLASS | 2B | | THREAD QUANTITY PER INCH | 12 | | THREAD SERIES DESIGNATOR | UN |
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