.093 REF

A

T (THREAD)

POTTING &

VENT SLOTS

L

CL "B"

SPIRAL RIB

OPTIONAL

LOCK

INSTALLATION HOLE

PANEL

POTTING

COMPOUND

EXAMPLE PART NUMBERING SYSTEM:

2004 - 420 - L - 12 - SS

SERIES PREFIX

THREAD CODE (TABLE 1)

ADD LK FOR SELF-LOCK (NYLON)

ADD L FOR SELF-LOCK (METALLIC CRIMP)

LENGTH DASH NUMBER(TABLE II)

MATERIAL:

A = ALUMINUM ALLOY(CHEM FILM FINISH)

C = CARBON STEEL (CAD PLATE FINISH)

Z = CARBON STEEL (ZINC PLATE)

SS = STAINLESS STEEL (PLAIN FINISH)

SP = STAINLESS STEEL (PASSIVATED)

NOTE:

1. ALL DIMENSIONS ARE IN INCHES EXCEPT THREAD SIZE.

2. FOR PARTS .625 & SHORTER THE OD HAS CIRCULAR RIBS

IN LIEU OF SPIRAL RIBS.

2004

SHEET 1 OF 1

TABLE II

DASH NO.

L±.03

LENGTH

-5

.312

-6

.375

-7

.437

-8

.500

-10

.625

-12

.750

-14

.875

-16

1.000

-18

1.125

-20

1.250

-22

1.375

-24

1.500

TABLE I

CODE

NO.

T

THREAD

A

DIA

±.010

B

SELF-LK

±.06

INSTL

HOLE

SIZE

+.010/-.000

632

6-32 UNJC

.490

.12

.500

832

8-32 UNJC

.490

.12

.500

1032

10-32 UNJF

.520

.12

.530

420

1/4-20 UNJC

.583

.16

.593

428

1/4-28 UNJF

.583

.16

.593

518

5/16-18 UNJC

.646

.20

.656

524

5/16-24 UNJF

.646

.20

.656

616

3/8-16 UNJC

.708

.20

.718

624

3/8-24 UNJF

.708

.20

.718

714

7/16-14 UNJC

.771

.20

.781

720

7/16-20 UNJF

.771

.20

.781

813

1/2-13 UNJC

.833

.20

.843

820

1/2-20 UNJF

.833

.20

.843

2004 SERIES - "SPIRAL RIB"

THRU - HOLE

MOLDED-IN OR POTTED-IN INSERT, FLUSH MOUNTED BOTH SIDES

WITTEN COMPANY

918-272-9567

REVISED 8/20/09