Calculations to Determine Dimensions for Backup Rings to AS5781, AS5782, AS5860, AS5861

Published June 09, 2016 by SAE International in United States

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Language: English

Data Sets - Support Documents

Title	Description	Download
Unnamed Dataset 1
Unnamed Dataset 2
TABLE 1	T DIMENSIONS FOR BACKUP RINGS BY SPECIFICATION AND BY DASH SIZE SERIES
TABLE 2A	AS 4716 STANDARD GROOVE WIDTH FOR ZERO, ONE, AND TWO BACKUP IN INCHES
TABLE 2B	AS 4716 STANDARD GLAND WIDTH FOR ZERO, ONE, AND TWO BACKUP IN MILLIMETERS
TABLE 2C	AS5857 STANDARD GROOVE WIDTH FOR ZERO, ONE, AND TWO BACKUP IN INCHES
TABLE 2D	AS5857 STANDARD GLAND WIDTH FOR ZERO, ONE, AND TWO BACKUP IN MILLIMETERS
TABLE 3	W DIMENSION FOR PISTON BACKUP RINGS
TABLE 4	W DIMENSION FOR ROD BACKUP RINGS
TABLE 5	ESTABLISHED DIAMETER TOLERANCES
TABLE 6A	AS5781 PISTON BACKUP RING DASH SIZES REQUIRING OVERLAP AT AMBIENT TEMPERATURE
TABLE 6B	AS5860 PISTON BACKUP RING DASH SIZES REQUIRING OVERLAP AT AMBIENT TEMPERATURE
TABLE 7A	SCARF ANGLES AND LAP LENGTHS FOR BACKUP RINGS TO AS5781
TABLE 7B	SCARF ANGLES AND LAP LENGTHS FOR BACKUP RINGS TO AS5860
TABLE 8A	AS5781 ROD BACKUP RING DASH SIZES REQUIRING OVERLAP AT AMBIENT TEMPERATURE
TABLE 8B	AS5860 DASH ROD BACKUP RING SIZES REQUIRING OVERLAP AT AMBIENT TEMPERATURE
TABLE A1	DETAILS OF GLAND STANDARDS AND APPLICABLE BACKUP RING STANDARDS
TABLE A2	BACKUP RING APPLICATION AND COLOR IDENTIFICATION
TABLE A3	BACKUP RING MATERIALS AND PROPERTIES
TABLE A4	DIAMETER TOLERANCES – SOLID BACKUPS

Number	Title
AMS3678	Polytetrafluoroethylene (PTFE) Moldings and Extrusions Unfilled, Pigmented, and Filled Components
AS4716	AEROSPACE STANDARD, GLAND DESIGN, O-RING AND OTHER ELASTOMERIC SEALS
AS4718	This document is not part of the subscrption.
AS568	AEROSPACE SIZE STANDARD FOR O-RINGS
AS5781	Retainers (Backup Rings), Hydraulic and Pneumatic, Polytetrafluoroethylene Resin, Single Turn, Scarf-Cut, For Use in AS4716 Glands
AS5782	Retainers (Backup Rings), Hydraulic and Pneumatic, Polytetrafluoroethylene Resin, Solid, Un-Cut, For Use in AS4716 Glands
AS5857	Gland Design, O-ring and Other Elastomeric Seals, Static Applications
AS5860	Retainers (Back-Up Rings), Hydraulic and Pneumatic, Polytetrafluoroethylene Resin, Single Turn, Static Gland
AS5861	Retainers, (Back-Up Rings), Hydraulic and Pneumatic, Polytetrafluoroethylene Resin, Solid, Static Gland
AS8791	Retainer, Packing, Hydraulic, and Pneumatic, Tetrafluoroethylene Resin
FED-STD-595	This document is not part of the subscrption.
MIL-G-5514	This document is not part of the subscrption.

Aerospace Standard	Selection of Metallic Spring Energized Seals for Aerospace
Aerospace Material Specification	Type 14 40% Bronze Filled Virgin Polytetrafluoroethylene (PTFE) Moldings or Extrusions

	2016-06-09	\|	AIR6082A
	2011-05-25	\|	AIR6082