National Item Identification Number
01-133-5857
011335857
5331-01-133-5857
5331011335857
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) 5331-01-133-5857, 5331011335857 NIIN (National Identification Number) 01-133-5857, 011335857
Part Numbers (Reference Numbers)
MIL-R-25988/2
M25988/2-226
Required Categories
MATERIAL
CENTER HOLE DIAMETER
CROSS-SECTIONAL HEIGHT
SPEC/STD CONTROLLING DAT
Required Description
RUBBER FLUOROSILICONE CLASS FQ
1.966 INCHES MINIMUM AND
2.002 INCHES MAXIMUM;