National Item Identification Number

00-290-5798
002905798
5330-00-290-5798
5330002905798

National Stock Number

Item Name

PACKING,PREFORMED

Federal Supply Class

5330

Description

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see WASHER (as modified) and GASKET. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see SEAL, NONMETALLIC ANGLE; SEAL, NONMETALLIC CHANNEL; and SEAL, NONMETALLIC, SPECIAL SHAPED SECTION. For circular (with aperature) nonmetallic items with a solid round cross-section see O-RING. Excludes CUP, COMPRESSION; GASKET; WASHER (as modified); and FELT, MECHANICAL, PREFORMED.

Commercial and Government Entity Code (Supplier Data)

---

---

D9182

---

---

D9182

---

---

Reference Numbers (Part Numbers)

MILP2863GRADEA
SD5009BT8
22475MTLPKG

Required Categories

MATERIAL
CROSS-SECTIONAL SHAPE STYLE
CROSS-SECTIONAL HEIGHT
CENTER HOLE DIAME

Required Description

LEAD OVERALL
D2 SQUARE/RECTANGULAR
0.312 INCHES NOMINAL
0.750 INCHES NOMINAL;