Product Details | PREFORMED PACKING

5330-00-378-2566 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.

Part Alternates: AN622788, AN6227-88, N0304 2-245, N03042245, N304788, N304-7-88, PS130588, PS1-30-5-88, 2-245 N304-75, 2245N30475, 5330-00-378-2566, 00-378-2566, 5330003782566, 003782566

Hardware and Abrasives | Packing and Gasket Materials

Supply Group (FSG) NSN Assign. NIIN
53 16 MAR 1974 00-378-2566

Drawings & Photos | NSN 5330-00-378-2566


Demand History | NSN 5330-00-378-2566

Part Number Request Date QTY Origin
5330-00-378-2566 2017-01-25 10 Malaysia
AN622788 2008-12-357 4 US

Cross Reference | NSN 5330-00-378-2566

Part Number Cage Code Manufacturer
2-245 N304-75 C0308 O-RING DIVISION EUROPE
AN6227-88 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
N0304 2-245 02697 PARKER-HANNIFIN CORPORATION DBA O'RING DIVISION OF PARKER
N304-7-88 02697 PARKER-HANNIFIN CORPORATION DBA O'RING DIVISION OF PARKER
PS1-30-5-88 02697 PARKER-HANNIFIN CORPORATION DBA O'RING DIVISION OF PARKER

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Technical Data | NSN 5330-00-378-2566

Characteristic Specifications
MATERIAL RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-P-5516,CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 68.0 SHORE DUROMETER A NOMINAL OVERALL
CROSS-SECTIONAL SHAPE STYLE D1 O-RING
CROSS-SECTIONAL HEIGHT 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM
CENTER HOLE DIAMETER 4.460 INCHES MINIMUM AND 4.490 INCHES MAXIMUM
III TEMP RATING -65.0 DEG FAHRENHEIT AND 160.0 DEG FAHRENHEIT
MANUFACTURERS CODE 88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE AN6227-88

Restrictions/Controls & Freight Information | NSN 5330-00-378-2566

Category Code Description
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information