NSN 5331-00-281-6931

Part Details | O-RING

5331-00-281-6931 A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see PACKING,PREFORMED. For noncircular items with a round cross-section, see SEAL,NONMETALLIC ROUND SECTION and RUBBER,ROUND SECTION.

Alternate Parts: M259881049, M25988/1-049, MILR259881, MIL-R-25988/1, 5331-00-281-6931, 00-281-6931, 5331002816931, 002816931

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 26, 197300-281-693147946 ( O-RING )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5331-00-281-6931
Part Number Cage Code Manufacturer
M25988/1-04981349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MIL-R-25988/181349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 5331-00-281-6931
Characteristic Specifications
MATERIAL RUBBER FLUOROSILICONE CLASS FQ
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER5.129 INCHES NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER4.952 INCHES MINIMUM AND 5.026 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM