National Item Identification Number
01-425-6077
014256077
5331-01-425-6077
5331014256077
National Stock Number
Item Name
O-RING
Federal Supply Class
5331
Description
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.
Commercial and Government Entity Code (Supplier Data)
NSN (National Stock Number) 5331-01-425-6077, 5331014256077 NIIN (National Identification Number) 01-425-6077, 014256077
Part Numbers (Reference Numbers)
MIL-R-25988
M25988/4-259
Required Categories
MATERIAL
HARDNESS RATING
CENTER HOLE DIAMETER
CROSS-SECTIONAL HEIGHT
SPEC/ST
Required Description
RUBBER FLUOROSILICONE CLASS FQ
75.0 SHORE DUROMETER A MINIMUM AND
85.0 SHORE D