5305-01-478-8277 SCREW,CAP,SOCKET HEAD Index 5330-01-478-8279 BACK-UP RING,PREFORMED PACKING

National Stock Number:
5330-01-478-8278

Federal Supply Class:
5330

National Item Identification Number:
014788278

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:
B30573-00494697MOOG INC
B30573-0049P5N5MOOG MILITARY AIRCRAFT LLC


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONAGAV
SPECIAL FEATURESUSED ON: 1650-01-470-8680 HYDRAULIC SERVOVALVE; 1650-01-478-8257 HYDRAULIC SERVOVALVE


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