National Item Identification Number

01-272-2585
012722585
5331-01-272-2585
5331012722585

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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NSN (National Stock Number) 5331-01-272-2585, 5331012722585 NIIN (National Identification Number) 01-272-2585, 012722585

Part Numbers (Reference Numbers)

MIL-R-25988/4
M25988/4-136

Required Categories

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

Required Description

RUBBER FLUOROSILICONE CLASS FQ
1.970 INCHES MINIMUM AND
2.004 INCHES MAXIMUM;