Product Details | PREFORMED PACKING

5330-01-304-2748 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: NAS1611312, NAS1611-312, 5330-01-304-2748, 01-304-2748, 5330013042748, 013042748

Hardware and Abrasives | Packing and Gasket Materials

Supply Group (FSG) NSN Assign. NIIN
53 14 JUL 1989 01-304-2748

Drawings & Photos | NSN 5330-01-304-2748


Demand History | NSN 5330-01-304-2748

Part Number Request Date QTY Origin
NAS1611312 2021-07-189 5 PH
NAS1611-312 2011-04-107 2

Cross Reference | NSN 5330-01-304-2748

Part Number Cage Code Manufacturer
NAS1611-312 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5330-01-304-2748

Characteristic Specifications
MATERIAL RUBBER CHLOROPRENE CLASS CR OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
COLOR BLACK
HARDNESS RATING 70.0 SHORE DUROMETER A NOMINAL OVERALL
CROSS-SECTIONAL SHAPE STYLE D1 O-RING
CROSS-SECTIONAL HEIGHT 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM
CENTER HOLE DIAMETER 0.595 INCHES MINIMUM AND 0.605 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA 80205-NAS1611 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Restrictions/Controls & Freight Information | NSN 5330-01-304-2748

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