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National Stock Number:
5330-01-502-0000
Federal Supply Class:
5330
National Item Identification Number:
015020000
Description:
BACK-UP RING,PREFORMED PACKING
Detail:
A CIRCULAR SHAPED ITEM WITH AN APERTURE MANUFACTURED TO PREDETERMINED DIMENSIONS, CONSTRUCTED WITH A RECTANGULAR CROSS SECTION THAT MAY BE SOLID, WITH JOINT, OR IN A HELICAL FORM THAT FACILITATES SPIRAL WRAP INSTALLATION. IT PREVENTS SEAL EXTRUSION UNDER PRESSURE AND IS DESIGNED TO FIT ON THE DOWN-PRESSURE SIDE OF A GLAND GROOVE WITH A PACKING, PREFORMED OR O-RING.
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Manufacturer Information:
| M8791/1-236 | 0U583 | SAE INTERNATIONAL | | M8791/1-236 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | V1E10727 ITEM 36 | 99517 | VACCO INDUSTRIES | | V3E10061-36 | 99517 | VACCO INDUSTRIES |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | AS8791/1-236 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE | | PERIPHERAL DIAMETER | 3.237 INCHES NOMINAL | | SPECIAL FEATURES | HAS SCARF CUT AT ANGLE 22-19 DEGREES | | CENTER HOLE DIAMETER | 2.873 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | SINGLE TURN SPIRAL | | CROSS-SECTIONAL HEIGHT | 0.086 INCHES NOMINAL |
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