Product Details | PREFORMED PACKING

5330-01-202-4981 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: MS29561281, MS29561-281, 2-281 N4771-70, 2-28147-071, 2281N477170, 47-071 2-281, 5330-01-202-4981, 01-202-4981, 5330012024981, 012024981, 228147071, 470712281

Hardware and Abrasives | Packing and Gasket Materials

Supply Group (FSG) NSN Assign. NIIN
53 03 MAR 1985 01-202-4981

Drawings & Photos | NSN 5330-01-202-4981


Demand History | NSN 5330-01-202-4981

Part Number Request Date QTY Origin
MS29561281 2010-01-15 10 US

Cross Reference | NSN 5330-01-202-4981

Part Number Cage Code Manufacturer
2-281 N4771-70 C0308 O-RING DIVISION EUROPE
2-28147-071 02697 PARKER-HANNIFIN CORPORATION DBA O'RING DIVISION OF PARKER
47-071 2-281 02697 PARKER-HANNIFIN CORPORATION DBA O'RING DIVISION OF PARKER
MS29561-281 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5330-01-202-4981

Characteristic Specifications
MATERIAL RUBBER OVERALL
HARDNESS RATING 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
CROSS-SECTIONAL SHAPE STYLE D1 O-RING
CROSS-SECTIONAL HEIGHT 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM
CENTER HOLE DIAMETER 14.919 INCHES MINIMUM AND 15.059 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5330-01-202-4981

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