SHEET 2 OF 2

EXAMPLE: PART NUMBERING SYSTEM

155-428-12-SS

SERIES PREFIX

THREAD CODE (TABLE I)

LENGTH DASH NO.(TABLE I)

MATERIAL:

A= ALUMINUM(CHEM FILM FINISH)HOUSING & CAP WITH CARBON STEEL NUT (CADMIUM PLATED).

C=CARBON STEEL(CAD PLATE FINISH)HOUSING & NUT WITH ALUMINUM(CHEM FILM FINISH) CAP.

Z=CARBOM STEEL(ZINC PLATE FINISH) HOUSING & NUT WITH ALUMINUM (CHEM FILM FINISH) CAP.

SS=STAINLESS STEEL (NO FINISH) HOUSING & NUT WITH ALUMINUM (CHEM FILM FINISH) CAP.

SP=STAINLESS STEEL(PASIVATE) HOUSING & NUT WITH ALUMINUM ( CHEM FILM FINISH) CAP.

NOTES:

1.THREADS PER SAE-AS8879

2.PATENT NO. 4,941,765 AND 5,082,405

3. NO. OF RIBS VARY WITH LENGTH.

4. INSTALLATION TABS ARE AVAILABLE.

155 SERIES

FLOATING INSERTS

WITTEN COMPANY

918-272-9567

REV:A 8/18/09