4720-01-528-8498 HOSE ASSEMBLY,NONMETALLIC Index 6150-01-528-8500 WIRING HARNESS

National Stock Number:
5330-01-528-8499

Federal Supply Class:
5330

National Item Identification Number:
015288499

Description:
BACK-UP RING,PREFORMED PACKING

Detail:
A CIRCULAR SHAPED ITEM WITH AN APERTURE MANUFACTURED TO PREDETERMINED DIMENSIONS, CONSTRUCTED WITH A RECTANGULAR CROSS SECTION THAT MAY BE SOLID, WITH JOINT, OR IN A HELICAL FORM THAT FACILITATES SPIRAL WRAP INSTALLATION. IT PREVENTS SEAL EXTRUSION UNDER PRESSURE AND IS DESIGNED TO FIT ON THE DOWN-PRESSURE SIDE OF A GLAND GROOVE WITH A PACKING, PREFORMED OR O-RING.


Manufacturer Information:
211007889CP03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
801-6404589 FIND 12CP03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
CD-023-35-12CP03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
DF330618 FIND 12CP03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
MS28782-58CP03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG


Techincal Specification:
CENTER HOLE DIAMETER5.250 INCHES NOMINAL
CROSS-SECTIONAL HEIGHT0.138 INCHES MINIMUM AND 0.156 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATIONZZZY
CROSS-SECTIONAL THICKNESS0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLEDOUBLE SPIRAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
PART NAME ASSIGNED BY CONTROLLING AGENCYRETAINER, PACKING BACK-UP
PERIPHERAL DIAMETER5.724 INCHES MINIMUM AND 5.728 INCHES MAXIMUM
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D


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