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Part Number

Part Number:
NSN:
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Item Name:
PACKING , PREFORMED

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
91265 PARKER-HANNIFIN CORPORATION DBA ENGI

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
ADYU PERIPHERAL DIAMETER 7.345 INCHES MINIMUM AND 7.445 INCHES MAXIMUM
AAGR CROSS-SECTIONAL SHAPE STYLE O-RING
CQFM HARDNESS RATING 60.0 SHORE DUROMETER A MINIMUM OVERALL AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL
MATT MATERIAL RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
ADVL CROSS SECTION OUTSIDE DIAMETER 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM
ADYT CENTER HOLE DIAMETER 6.952 INCHES MINIMUM AND 6.998 INCHES MAXIMUM
ABJH TEMP RATING -65.0 DEG FAHRENHEIT AND 160.0 DEG FAHRENHEIT
ADVN CROSS-SECTIONAL HEIGHT 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-R-15624,CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

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