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Part Number

Part Number:
NSN:
NIIN:
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
99251 CARLETON LIFE SUPPORT SYSTEMS INC. D

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AAGR CROSS-SECTIONAL SHAPE STYLE O-RING
CQFM HARDNESS RATING 70.0 SHORE DUROMETER A NOMINAL OVERALL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION 417,TY R,GR 715 MIL STD SINGLE MATERIAL RESPONSE OVERALL
ADVN CROSS-SECTIONAL HEIGHT 0.125 INCHES NOMINAL
MATT MATERIAL RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OVERALL OR RUBBER BUTADIENE-STYRENE CLASS SBR OVERALL
ADYT CENTER HOLE DIAMETER 2.375 INCHES NOMINAL

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