National Item Identification Number
01-174-8255
011748255
5331-01-174-8255
5331011748255
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) 5331-01-174-8255, 5331011748255 NIIN (National Identification Number) 01-174-8255, 011748255
Part Numbers (Reference Numbers)
MIL-R-25988-1
M25988/1-345
Required Categories
CENTER HOLE DIAMETER
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE
NON-DEFINIT
Required Description
3.947 INCHES MINIMUM AND
4.003 INCHES MAXIMUM
81349
MIL-R-25988-1
81349
M25