Product Details | PREFORMED PACKING

5330-01-304-2749 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: NAS1611245, NAS1611-245, 5330-01-304-2749, 01-304-2749, 5330013042749, 013042749

Hardware and Abrasives | Packing and Gasket Materials

Supply Group (FSG) NSN Assign. NIIN
53 14 JUL 1989 01-304-2749

Drawings & Photos | NSN 5330-01-304-2749


Cross Reference | NSN 5330-01-304-2749

Part Number Cage Code Manufacturer
NAS1611-245 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5330-01-304-2749

Characteristic Specifications
MATERIAL RUBBER SYNTHETIC OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION NAS 1613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE D1 O-RING
CROSS-SECTIONAL HEIGHT 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM
CENTER HOLE DIAMETER 4.344 INCHES MINIMUM AND 4.374 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA 80205-NAS1611 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
III TEMP RATING -65.0 DEG FAHRENHEIT AND 160.0 DEG FAHRENHEIT

Restrictions/Controls & Freight Information | NSN 5330-01-304-2749

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