4820-01-543-7465 VALVE,CHECK Index 5330-01-543-7467 BACK-UP RING,PREFORMED PACKING

National Stock Number:
5330-01-543-7466

Federal Supply Class:
5330

National Item Identification Number:
015437466

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:
MC1806176050EATON AEROSPACE LLC M C AEROSPACE DIV DBA STERER ENGINEERING
MC1806199643EATON AEROSPACE LLC


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONAGAV
MATERIALALUMINUM ALLOY 2024 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYRETAINER
PROPRIETARY CHARACTERISTICSPACS
SPECIAL FEATURESEXTERNALLY TREADED, 0.4375-20 UN-3A THREAD. MAJOR DIAMETER 0.4294 TO 0.4375 INCHES. PITCH DIAMETER 0.4019-0.4050. INTERNAL WRENCHING HEX 0.250-0.253 INCHES.
SURFACE TREATMENTANODIZE OVERALL


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