NSN 6620-01-523-4953

Part Details | PRESSURE INDICATOR SUBASSEMBLY

6620-01-523-4953 Two or more different types of items having a common mounting or mounted on each other which together form a portion of an INDICATOR, PRESSURE, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

Alternate Parts: RD858GL05XY1, RD858GL05XY1, RD858GL05XY1832, 6620-01-523-4953, 01-523-4953, 6620015234953, 015234953

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66SEP 07, 200401-523-495353189 ( INDICATOR SUBASSEMBLY, PRESSURE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6620-01-523-4953
Part Number Cage Code Manufacturer
RD858GL05XY194592FLUID CONDITIONING PRODUCTS, INC.
RD858GL05XY118350PALL AEROPOWER CORPORATION
RD858GL05XY183218350PALL AEROPOWER CORPORATION
Technical Data | NSN 6620-01-523-4953
Characteristic Specifications
COMPONENT TYPE AND QUANTITY1 INDICATOR
END ITEM IDENTIFICATIONDELTADYNE DIFFERENTIAL PRESSURE INDICATOR ASSY (NON-RESETTABLE) ;CH-53A/D/E
OVERALL LENGTH1.647 INCHES NOMINAL
OVERALL DIAMETER0.804 INCHES MINIMUM AND 0.808 INCHES MAXIMUM
SPECIAL FEATURESDELTADYNE IS A MATCHED ASSEMBLY, PARTS MAY NOT BE PURCHASED SEPARATELY AND ARE NOT NECESSARILY INTERCHANGABLE. NON-RESETTABLE. ACTUATION PRESSURE: 24 PSID + OR - 3 PSI. SYSTEM PRESSURE: 100-120 PSI; PROOF: 250 PSI; BURST: 400 PSI. TEMPERATURE RANGE: -65 TO +300 DEGREES F. FLUID: LUBRICATING OIL(MIL-L-7808, MIL-L-23699). ONCE ACTUATED THE BUTTON REMAINS IN THE ACTUATED POSITION UNTIL THE INDICATOR IS INVERTED AND MANUALLY DEPRESSED. THERMAL LOCKOUT: A BIMETAL ELEMENT IS PROVIDED WHICH PREVENTS ACTUATION BELOW 125 DEGREES F, PERMITS ACTUATION ABOVE 155 DEGREES F. HAS A RED INDICATOR BUTTON , EXTENDS 3/16" WHEN ACTUATED (ANNODIZED AND DYED RED) TOP SURFACE OF INDICATOR BUTTON TO BE CLEAR.
PART NAME ASSIGNED BY CONTROLLING AGENCYINAVY: PRESSURE INDICATOR