6675-00-285-7271 CASE,LETTERING SET Index 5330-00-285-7273 RETAINER,PACKING

National Stock Number:
5330-00-285-7272

Federal Supply Class:
5330

National Item Identification Number:
002857272

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:
AN6228-4088044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
ANGLE90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM
CENTER HOLE DIAMETER3.003 INCHES MINIMUM AND 3.007 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLEU
CROSS-SECTIONAL HEIGHT0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8 FED SPEC 1ST MATERIAL RESPONSE OR WW-T-789 FED SPEC 1ST MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 6061 OR COPPER ALLOY OVERALL
PERIPHERAL DIAMETER3.743 INCHES MINIMUM AND 3.747 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-A-696 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL


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