National Item Identification Number

01-007-1631
010071631
5331-01-007-1631
5331010071631

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) 5331-01-007-1631, 5331010071631 NIIN (National Identification Number) 01-007-1631, 010071631

Part Numbers (Reference Numbers)

MIL-R-25988/1
M25988/1-243

Required Categories

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

Required Description

RUBBER FLUOROSILICONE CLASS FQ
4.081 INCHES MINIMUM AND
4.137 INCHES MAXIMUM;