5310-01-245-8770 WASHER,FLAT Index 5330-01-245-8773 PACKING,PREFORMED

National Stock Number:
5330-01-245-8772

Federal Supply Class:
5330

National Item Identification Number:
012458772

Description:
PACKING,PREFORMED

Detail:
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.


Manufacturer Information:
2632-912X1PC1096169ELECTRIC BOAT CORPORATION
845-244513580064NAVAL SHIP SYSTEMS COMMAND
845-2445135,PC.1080064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
CENTER HOLE DIAMETER0.375 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATIONZZZY
CROSS-SECTIONAL HEIGHT0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
PERIPHERAL DIAMETER0.495 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
SPECIFICATION/STANDARD DATA81349-MIL-I-45208 GOVERNMENT SPECIFICATION AND 96906-MIL-STD-129 GOVERNMENT STANDARD


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