5330-00-171-5778 RETAINER,PACKING Index 5325-00-171-5781 STUD,SNAP FASTENER

National Stock Number:
5330-00-171-5779

Federal Supply Class:
5330

National Item Identification Number:
001715779

Description:
RETAINER,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:
3778-465REVDPC1496169ELECTRIC BOAT CORPORATION
563-7067896-6653711NAVAL SEA SYSTEMS COMMAND
810-4384539PC6080064NAVAL SHIP SYSTEMS COMMAND
H696-1602-6696169ELECTRIC BOAT CORPORATION
MS2878296906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS28782-6696906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS35803-43996906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SAE-AS87910U583SAE INTERNATIONAL


Techincal Specification:
ANGLE25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
CENTER HOLE DIAMETER6.500 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLESQUARE
CROSS-SECTIONAL THICKNESS0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT0.138 INCHES MINIMUM AND 0.156 INCHES MAXIMUM
DISTANCE BETWEEN ENDS0.188 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
JOINT TYPESCARF-BUTT OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
PERIPHERAL DIAMETER6.974 INCHES MINIMUM AND 6.978 INCHES MAXIMUM


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