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National Stock Number:
4820-01-268-3565
Federal Supply Class:
4820
National Item Identification Number:
012683565
Description:
STEM,NEEDLE VALVE
Detail:
A METALLIC, NEEDLE SHAPED ITEM HAVING A ONE-PIECE STEM THREADED FOR SECURING TO, OR POSITIONING INTO, A MATING PART. THE POINT MAY BE OF VARIOUS ANGLES OR SHAPES, SUCH AS CONICAL OR TAPERED, TO CORRESPOND WITH THE MATING SEAT. THE ITEM IS DESIGNED FOR THE FINE CONTROL FLOW OR RESTRICTION OF LIQUIDS OR GASES IN A GIVEN SYSTEM. IT MAY BE PROVIDED WITH A KNURLED HEAD FOR ROTATION BY THUMBS AND FINGERS, OR BE DRIVEN WITH EITHER A WRENCH, HANDLE, OR INSERTED DRIVER. EXCLUDES VALVE, FUEL-AIR MIXTURE CONTROL, AUTOMATIC.
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Manufacturer Information:
| 5400171 | 16128 | GICHNER SYSTEMS GROUP INC GICHNER MOBILIZER DIV | | 5400171 | 29381 | GICHNER SYSTEMS GROUP, INC. |
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Techincal Specification:
| PROPRIETARY CHARACTERISTICS | PACS | | SPECIFICATION/STANDARD DATA | 16128-5400171 MANUFACTURERS SOURCE CONTROL | | SPECIAL FEATURES | STEEL ALLOY CYLINDER ZINC CHROMATE PLATED OVERALL LENGTH 3.190 IN NOM BY 0.494 IN MIN AND 0.497 IN MAX O.D. ONE END IS SOLID STEEL;OTHER END IS A TUBE W/INTERIOR THREADS. SOLID END TAPERS TO BLUNT TRUNCATED CONE W/45 DEG ANGLE. ANGLE SURFACE FINISHED TO 16 MICROINCHES. CENTER SECTION STEPS DOWN TO 0.398 IN MIN AND 0.401 IN MAX DIA. FROM SOLID END,AND THREADED END,W/A COLLAR APPROX CTRD. THREADED END O.D. CHAMFERED BOTH ENDS 45 DEG X 0.060 IN NOM. THRU HOLES ARE BORED TRANSVERSELY,BOTHSIDES OF TUBE,0.221 IN MIN AND 0.226 HARDENED TO RC 50 TO 0.025 IN DEPTH |
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