Part Number
Definition:
AN ITEM COMPOSED OF A COMPRESSIBLE NONMETALLIC RING WHICH MAY BE LOOSELY FITTED INTO A NONCOMPRESSIBLE RETAINING RING, OR MAY BE OF ONE PIECE CONSTRUCTION WITH THE COMPRESSIBLE RING MOLDED AND/OR MECHANICALLY CONNECTED TO THE RETAINER. IT IS SPECIFICALLY DESIGNED TO FORM A FLUID TIGHT SEAL WHEN COMPRESSED BY A PACKING NUT, GLAND, ETC., BETWEEN FIXED SURFACES AND A CYLINDRICAL ITEM PASSING THROUGH IT. EXCLUDES SEAL, PLAIN, ENCASED.
CAGE Information
| Code | Company |
|---|---|
| C0308 | O-RING DIVISION EUROPE |
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 |
|---|---|---|
| CQCF | CONSTRUCTION | ONE-PIECE |
| ADTK | PACKING RING CROSS-SECTIONAL DIAMETER | 0.072 INCHES NOMINAL |
| ABHE | OUTSIDE DIAMETER | 0.870 INCHES MINIMUM AND 0.890 INCHES MAXIMUM |
| AFFX | PACKING INSIDE DIAMETER | 0.492 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | CADMIUM RETAINER |
| ADTJ | RETAINER THICKNESS | 0.050 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-6855 CL 1,CL 2 OR CL 3 MIL SPEC ALL MATERIAL RESPONSES PACKING |
| MATT | MATERIAL | RUBBER CHLOROPRENE CLASS CR PACKING OR RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING OR RUBBER BUTADIENE-STYRENE CLASS SBR PACKING |