National Item Identification Number

01-007-1620
010071620
5331-01-007-1620
5331010071620

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)

---

NSN (National Stock Number) 5331-01-007-1620, 5331010071620 NIIN (National Identification Number) 01-007-1620, 010071620

Part Numbers (Reference Numbers)

MIL-R-25988/1
M25988/1-346

Required Categories

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

Required Description

RUBBER FLUOROSILICONE CLASS FQ
4.072 INCHES MINIMUM AND
4.128 INCHES MAXIMUM;