Part Number
Definition:
A CIRCULAR SHAPED ITEM WITH AN APERTURE MANUFACTURED TO PREDETERMINED DIMENSIONS AND DESIGNED FOR USE AS A SEAL IN STUFFING BOXES, PACKING NUTS, AND THE LIKE. IT MAY BE (1) ANY NONMETALLIC MOLDED OR FORMED RING (EXCEPT SOLID (WITHOUT JOINT) RINGS HAVING A SQUARE OR RECTANGULAR CROSS SECTION); OR (2) ANY SHREDDED METAL OR METAL FOIL TYPE METALLIC OR SEMIMETALLIC RINGS. EXCLUDES FELT ITEMS BUT INCLUDES MULTIMATERIAL ITEMS IN WHICH ONE OF THE MATERIALS IS FELT. FOR SOLID (WITHOUT JOINTS) NONMETALLIC ITEMS WITH A SQUARE OR RECTANGULAR CROSS SECTION, SEE WASHER (AS MODIFIED) AND GASKET. FOR RUBBER ITEMS SPECIFICALLY DESIGNED FOR WEATHER-PROOFING DOORS, WINDOWS, CHESTS, AND THE LIKE SEE SEAL, NONMETALLIC ANGLE; SEAL, NONMETALLIC CHANNEL; AND SEAL, NONMETALLIC, SPECIAL SHAPED SECTION. FOR CIRCULAR (WITH APERATURE) NONMETALLIC ITEMS WITH A SOLID ROUND CROSS-SECTION SEE O-RING. EXCLUDES CUP, COMPRESSION; GASKET; WASHER (AS MODIFIED); AND FELT, MECHANICAL, PREFORMED.
CAGE Information
| Code | Company |
|---|---|
| 81316 | PORTSMOUTH NAVAL SHIPYARD |
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 |
|---|---|---|
| ADVT | FLANGED BODY OUTSIDE DIAMETER | 3.052 INCHES MINIMUM AND 3.072 INCHES MAXIMUM |
| MATT | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| ADYU | PERIPHERAL DIAMETER | 3.162 INCHES MINIMUM AND 3.182 INCHES MAXIMUM |
| ADVX | RIM SURFACE WIDTH | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| ADVM | CROSS-SECTIONAL THICKNESS | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| ADYT | CENTER HOLE DIAMETER | 2.552 INCHES MINIMUM AND 2.572 INCHES MAXIMUM |
| ADVN | CROSS-SECTIONAL HEIGHT | 0.342 INCHES MINIMUM AND 0.362 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 75.0 SHORE DUROMETER A MINIMUM OVERALL AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-6855,CL 1,GR 80 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | SPECIAL |
| ADVW | BODY RECESS DEPTH | 0.097 INCHES MINIMUM AND 0.102 INCHES MAXIMUM |