Product Details | PREFORMED PACKING

5330-01-083-4125 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: M259882211, M25988-2-211, 5330-01-083-4125, 01-083-4125, 5330010834125, 010834125

Hardware and Abrasives | Packing and Gasket Materials

Supply Group (FSG) NSN Assign. NIIN
53 22 SEP 1979 01-083-4125

Drawings & Photos | NSN 5330-01-083-4125


Cross Reference | NSN 5330-01-083-4125

Part Number Cage Code Manufacturer
M25988-2-211 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5330-01-083-4125

Characteristic Specifications
MATERIAL RUBBER FLUOROSILICONE CLASS FQ OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE 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 0.786 INCHES MINIMUM AND 0.806 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA I CLASS AND 70 GRADE
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE M25988-2-211

Restrictions/Controls & Freight Information | NSN 5330-01-083-4125

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