National Item Identification Number

00-421-9431
004219431
5331-00-421-9431
5331004219431

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)

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70210

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99193

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NSN (National Stock Number) 5331-00-421-9431, 5331004219431 NIIN (National Identification Number) 00-421-9431, 004219431

Part Numbers (Reference Numbers)

M25988/2-231
S9412-231
S9412-231
S9412-231

Required Categories

MATERIAL
CENTER HOLE DIAMETER
CROSS-SECTIONAL HEIGHT
SPEC/STD CONTROLLING DAT

Required Description

RUBBER FLUOROSILICONE CLASS FQ
2.589 INCHES MINIMUM AND
2.629 INCHES MAXIMUM;