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 |
|---|---|
| 31856 | CRANE CO DBA CRANE POLYFLON DIV POLY |
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 |
|---|---|---|
| CRMK | ANGLE | 15.0 DEGREES MINIMUM AND 25.0 DEGREES MAXIMUM |
| CRMK | ANGLE | 15.0 DEGREES MINIMUM AND 25.0 DEGREES MAXIMUM |
| ADVN | CROSS-SECTIONAL HEIGHT | 0.099 INCHES MINIMUM AND 0.105 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | BOTH ENDS OF OD CHAMFERED 20 DEG PORM 5 TO 0.010 IN. MIN,0.020 IN. MAX DEPTH |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | ANGLE |
| ADYT | CENTER HOLE DIAMETER | 1.555 INCHES MINIMUM AND 1.573 INCHES MAXIMUM |
| ADYU | PERIPHERAL DIAMETER | 1.625 INCHES MINIMUM AND 1.635 INCHES MAXIMUM |
| ADVX | RIM SURFACE WIDTH | 0.059 INCHES MINIMUM AND 0.085 INCHES MAXIMUM |