National Item Identification Number
01-311-4628
013114628
5331-01-311-4628
5331013114628
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)
81343
D9182
NSN (National Stock Number) 5331-01-311-4628, 5331013114628 NIIN (National Identification Number) 01-311-4628, 013114628
Part Numbers (Reference Numbers)
MS28775-12
MS28775-12
73-103-43
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HARDNESS RATING
CENTER HOLE DIA
Required Description
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
MIL-P-25732 MIL SPEC SINGLE MATERIAL R