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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
11449 TURBO POWER & MARINE SYSTEM INC SUB

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 0.418 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
ADYU PERIPHERAL DIAMETER 0.418 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HUES COLOR BLACK
ADVN CROSS-SECTIONAL HEIGHT 0.250 INCHES MINIMUM AND 0.275 INCHES MAXIMUM
MATT MATERIAL RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS 7260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CQFM HARDNESS RATING 70.0 SHORE DUROMETER A MINIMUM OVERALL AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL
ADYT CENTER HOLE DIAMETER 0.234 INCHES MINIMUM AND 0.254 INCHES MAXIMUM
ADVX RIM SURFACE WIDTH 0.125 INCHES NOMINAL
AAGR CROSS-SECTIONAL SHAPE STYLE SPECIAL

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