4820-00-329-9667 VALVE,SAFETY RELIEF Index 4730-00-329-9670 ADAPTER,STRAIGHT,TUBE TO BOSS

National Stock Number:
5330-00-329-9668

Federal Supply Class:
5330

National Item Identification Number:
003299668

Description:
BACK-UP RING,PREFORMED PACKING

Detail:
An item designed to fit over a packing gland by mating with a surface of a second part which together will retain into a narrow groove or confined space the PACKING, PREFORMED or O-RING, or an item designed to fit over a rod or shaft, to mate with a stuffing box to confine PACKING MATERIAL. It may function as a static or dynamic seal retainer with the packing located on, around, or in the centerline direction of the rod or shaft axis. It may have holes or joints for mounting, be threaded or unthreaded. See also PACKING NUT and PACKING NUT, STUFFING TUBE.


Manufacturer Information:
5330PL02131049009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
MS9058-100U583SAE INTERNATIONAL
MS9058-102K255GOLDINGER, BERNARD
MS9058-1081343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS9058-1096906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS9484-1096906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SAE-AS90580U583SAE INTERNATIONAL


Techincal Specification:
CENTER HOLE DIAMETER0.769 INCHES NOMINAL
CROSS-SECTIONAL HEIGHT0.073 INCHES NOMINAL
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
PERIPHERAL DIAMETER1.031 INCHES NOMINAL
SPECIAL FEATURESJOINT TYPE: SCARF-PERIPHERAL RETAINER


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