National Item Identification Number
01-221-1770
012211770
5331-01-221-1770
5331012211770
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
81343
NSN (National Stock Number) 5331-01-221-1770, 5331012211770 NIIN (National Identification Number) 01-221-1770, 012211770
Part Numbers (Reference Numbers)
AS28775
MS28775-381
MS28775-381
MS28775-381
Required Categories
MATERIAL
CENTER HOLE DIAMETER
CROSS-SECTIONAL HEIGHT
Required Description
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
11.945 INCHES MINIMUM AND
12.005 INCH