Part Number: MS28782-6

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CONDITION:
NS
MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M81349
CROSS-SECTIONAL SHAPE STYLESQUARE
CROSS-SECTIONAL THICKNESS0.025 INCHES MINIMUM AND 0.029 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.116 INCHES MAXIMUM
DISTANCE BETWEEN ENDS0.032 INCHES MINIMUM AND 0.062 INCHES MAXIMUM
CENTER HOLE DIAMETER0.312 INCHES NOMINAL
PERIPHERAL DIAMETER0.420 INCHES MINIMUM AND 0.424 INCHES MAXIMUM
JOINT TYPESCARF-BUTT RETAINER
ANGLE25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
CRITICALITY CODE JUSTIFICATIONZZZW
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
DEPARTURE FROM CITED DOCUMENTMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
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.