National Item Identification Number
01-129-2013
011292013
5331-01-129-2013
5331011292013
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) 5331-01-129-2013, 5331011292013 NIIN (National Identification Number) 01-129-2013, 011292013
Part Numbers (Reference Numbers)
MIL-R-25988/4
M25988/4-135
Required Categories
MATERIAL
CENTER HOLE DIAMETER
CROSS-SECTIONAL HEIGHT
SPEC/STD CONTROLLING DAT
Required Description
RUBBER FLUOROSILICONE CLASS FQ
1.908 INCHES MINIMUM AND
1.942 INCHES MAXIMUM;