Part Number
Definition:
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.
CAGE Information
| Code | Company |
|---|---|
| 53711 | NAVAL SEA SYSTEMS COMMAND |
Federal Supply Class
Title
PACKING AND GASKET MATERIALS
Inclusions:
INCLUDES GENERAL PURPOSE OIL GREASE, AIR, LIQUID, GAS, AND CHEMICAL SEALS; OAKUM; PREFABRICATED GASKETS AND SEALS DESIGNED FOR A SINGLE SPECIFIC APPLICATION.
Exclusions:
EXCLUDES O-RINGS (FSC 5331); BULK MATERIAL ITEMS, SUCH AS; RUBBER, CORK, AND ASBESTOS SHEETS AND STRIPS (FSG 93); LIQUID GASKET MATERIALS (RTV, PERMATEX, ETC.) (FSG 80); RFI AND EMI SEALS AND GASKETS (FSC 5999), AND ALL SEAL RETAINERS.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ADYT | CENTER HOLE DIAMETER | 2.522 INCHES NOMINAL |
| ADVN | CROSS-SECTIONAL HEIGHT | 0.119 INCHES NOMINAL |
| MATT | MATERIAL | PLASTIC TETRAFLUOROETHYLENE OVERALL |
| ADYU | PERIPHERAL DIAMETER | 2.757 INCHES MINIMUM AND 2.763 INCHES MAXIMUM |
| AQNE | JOINT TYPE | SCARF-PERIPHERAL RETAINER |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | SQUARE/RECTANGULAR |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | RETAINER, PACKING BACKUP, SINGLE TURN |
| AQZM | CUT TYPE | DIAGONAL OVERALL |
| AGAV | END ITEM IDENTIFICATION | EMBT VENT CHECK VALVE, LOS ANGELES CLASS (688) |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |