NSN 5330-01-238-1638

Part Details | PREFORMED PACKING

5330-01-238-1638 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.

Alternate Parts: 262190619PC20, 2621-906-19PC20, MS28775011, MS28775-011, 2011 N30475, 2-011 N304-75, MS28775011, MS28775-011, 5330-01-238-1638, 01-238-1638, 5330012381638, 012381638

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 12, 198601-238-163804521 ( PACKING, PREFORMED )
REFERENCE DRAWINGS & PICTURES

O-RING

Cross Reference | NSN 5330-01-238-1638
Part Number Cage Code Manufacturer
2621-906-19PC2096169ELECTRIC BOAT CORPORATION
MS28775-01143689HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS
2-011 N304-7502697PARKER-HANNIFIN CORPORATIONDBA O'RING DIVISION OF PARKER
MS28775-01181343SOCIETY OF AUTOMOTIVE ENGINEERS INC
Technical Data | NSN 5330-01-238-1638
Characteristic Specifications
ELONGATION PERCENTAGE160 MAXIMUM
CROSS-SECTIONAL SHAPE STYLE O-RING
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
CENTER HOLE DIAMETER0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM
PERIPHERAL DIAMETER0.441 INCHES NOMINAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY
TEMP RATING-65.0 DEG FAHRENHEIT AND 275.0 DEG FAHRENHEIT