MA

HC

B

F

E

Knob locks are positive friction locking devices forholding knobs in a specific position under conditionsof shock and vibration. They are also useful wherethere is danger of accidental jarring or manual contact.An eighth turn of the fluted skirt locks or unlocks thecontrol knob. Dimensions: A — 1" (25.4 mm); B — 0.721" (18.3 mm).

*Prefix Indicates Diameter: 407 = 3/4"; 412 = 11/4"; 409 = 7/8".

CD

B

A

EA

G

CB

D

F E

C BG

A

F

D

C BG

D

A

EF

E

CBG

D

F

A

RoHS

RoHS

FD

ECB G

A

EF

B

C

DAM

RoHS

LO

CK

LOCK

Thread

A Dia. 5/16"7.94

B

1/2"12.7

3/8"9.52

RoHS

3010 3440 3441 3442 3488

PB PKP PV PVSPVL

A B

C D

StockNo.

Mfr.’sType*

Dimensions — (Inch) SetScrew

ShaftSize(In.)

EACHA B C D E F G

70206900 PB-19A-2 0.750 0.590 0.120 0.330 0.640 0.790 0.710 6-32 0.250 4.5370206905 PB-19B-2 0.750 0.590 0.120 0.330 0.640 0.790 0.710 6-32 0.250 5.0970206901 PB-25A-2 0.937 0.708 0.120 0.330 0.640 0.790 0.885 6-32 0.250 6.3170206902 PB-25B-2 0.937 0.708 0.120 0.330 0.640 0.790 0.885 6-32 0.250 6.3170206963 PKP-12A-1 0.500 0.375 0.120 0.320 0.375 0.630 0.510 6-32 0.125 8.1270206964 PKP-12B-1 0.500 0.450 0.380 0.450 0.370 0.200 0.350 6-32 0.125 8.0270206966 PKP-19A-2 0.750 0.700 0.590 0.700 0.520 0.230 0.390 6-32 0.250 10.0670206968 PKP-19B-2 0.750 0.700 0.590 0.700 0.520 0.230 0.390 6-32 0.250 8.2070206890 PKP-25A-2 0.937 0.708 0.120 0.320 0.629 0.630 0.510 6-32 0.250 13.6470206891 PKP-25B-2 0.937 0.708 0.120 0.320 0.629 0.630 0.510 6-32 0.250 8.3570206906 PV-12A-1 0.500 0.375 0.160 0.290 0.510 0.622 0.450 6-32 0.125 4.9670206907 PV-12B-1 0.500 0.375 0.160 0.290 0.510 0.622 0.450 6-32 0.125 4.1670206908 PV-19B-2 0.750 0.590 0.160 0.295 0.510 0.622 0.695 6-32 0.250 5.0770206909 PV-25B-2 0.937 0.708 0.160 0.295 0.510 0.622 0.885 6-32 0.250 6.6470206910 PV-32B-2 1.250 0.975 0.160 0.295 0.510 0.622 1.195 6-32 0.250 7.5370206955 PVL-12A-1 0.500 0.375 0.157 0.280 0.510 0.625 0.445 6-32 0.125 3.7570206956 PVL-12A-2 0.500 0.375 0.157 0.280 0.510 0.625 0.445 6-32 0.250 3.8470206957 PVL-12B-1 0.500 0.375 0.157 0.280 0.510 0.625 0.445 6-32 0.125 4.1670206958 PVL-12B-2 0.500 0.375 0.157 0.280 0.510 0.625 0.445 6-32 0.250 3.7570206911 PVL-19A-1 0.750 0.590 0.177 0.295 0.510 0.622 0.695 6-32 0.125 5.2270206959 PVL-19A-2 0.750 0.590 0.157 0.280 0.510 0.625 0.445 6-32 0.250 4.5570206960 PVL-19B-1 0.750 0.590 0.157 0.280 0.510 0.625 0.445 6-32 0.125 4.4570206961 PVL-19B-2 0.750 0.590 0.157 0.280 0.510 0.625 0.445 6-32 0.250 4.4570206892 PVL-25A-2 0.937 0.708 0.177 0.295 0.510 0.622 0.885 6-32 0.250 6.5370206893 PVL-25B-2 0.937 0.708 0.177 0.295 0.510 0.622 0.885 6-32 0.250 6.5370206912 PVL-32A-2 1.250 0.975 0.177 0.295 0.510 0.622 1.195 6-32 0.250 5.8170206913 PVL-32B-2 1.250 0.975 0.177 0.295 0.510 0.622 1.195 6-32 0.250 6.7070206914 PVS-12B-1 0.500 0.375 0.177 0.295 0.510 0.622 0.750 6-32 0.125 6.7770206915 PVS-12B-2 0.500 0.375 0.177 0.295 0.510 0.622 0.750 6-32 0.250 5.8570206916 PVS-19A-2 0.750 0.590 0.177 0.295 0.510 0.622 1.120 6-32 0.250 7.4070206917 PVS-19B-1 0.750 0.590 0.177 0.295 0.510 0.622 1.120 6-32 0.125 7.4070206962 PVS-19B-2 0.750 0.622 0.593 0.177 1.120 0.295 0.510 6-32 0.250 6.4570206894 PVS-25B-2 0.937 0.708 0.177 2.950 0.510 0.622 1.640 6-32 0.250 8.49

A

C D

GBG

H

F

Thermoset Knobs

B

Ctd2

AA

B

CD

Lt

RoHS

Fig. 1 Fig. 2 Fig. 3

B

LD

Ct

A

Adjustable Ratchet Handle

Adjustable ratchet handle operates by a simple “lift-and-rotate” movement. Depress cap for desired positioning. Ideal foruse in tight places. Durable thermoplastic with brass threaded insert or stud.

RoHS

Control Knobs and Handles

StockNo.

Mfr.’sType Fig.

Dimensions — (Inch) ThreadUNC(t)

Brass InsertDepth/Steel StudLength (Inches)

EACHA B C D

70206929 04B-10BI2520 1 1.00 1.000 0.500 — 1/4-20 3/8 Insert 2.3870206934 04E-11S-252010 2 1.10 0.870 0.870 0.470 1/4-20 1 Stud 2.1770206867 04K-75S-102450 3 0.75 0.530 0.437 — 10-24 1 Stud .77

The 400 Series is made of durable, high-impact ABS plastic, has a lusterless finish and contains a zinc bushing and setscrews (4-40 UNC 3A).

Dimensions (In.) for 400 Series and Industrial Heavy-Duty Series

Female Male

*With black cap.

StockNo.

Mfr.’sType

ShaftHole Color

Dimensions — (Inch)EACH

A B C D

70206866 3010-2-B 1/4" Round Matte Black 0.975 0.750 0.810 0.225 3.5770206940 3440-1-B 1/8" Round Matte Black 0.500 0.625 0.430 0.070 3.4170206941 3440-2-B 1/4" Round Matte Black 0.500 0.625 0.430 0.070 3.4170206946 3440-2-S 1/4" Round Gloss Black 0.500 0.625 0.430 0.070 3.3370206942 3441-1-B 1/8" Round Matte Black 0.850 0.600 0.680 0.125 3.8170206943 3441-2-B 1/4" Round Matte Black 0.850 0.600 0.680 0.125 3.8170206944 3442-1-B 1/8" Round Matte Black 0.975 0.750 0.810 0.225 4.1470206945 3442-2-B 1/4" Round Matte Black 0.975 0.750 0.810 0.225 4.1470206947 3488-2-B 1/4" Round Matte Black 0.720 0.620 0.625 0.030 2.9670206924 3008-2-B 1/4" Round Matte Black 0.500 0.625 0.430 0.070 2.9870230733 3489-2-B 1/4" Round Matte Black 0.720 0.620 0.625 0.030 3.51

StockNo.

Mfr.’sType* Fig. EACH

70206856 407R2B A 3.0270230734 409R2B A 3.3570206857 407D2B B 4.8170206858 412D2B B 5.2670206953 409P2K1 C 3.6370206859 407PD2B D 5.37

StockNo.

Mfr.’sType Finish Thread

Size (In.) EACH

70206951 KL701 Mirror 3/8-32 14.4870206952 KL701G Matte 3/8-32 9.40

SeriesA

±.025–.005

BMin.

CMin.

DMax.

EMin.

F±.030

GMax.

HMax.

JMax.

KMax.

MMax.

407 0.720 0.520 0.120 0.290 0.625 0.813 0.640 1.120 — — 1.050409 0.875 0.660 0.120 0.290 0.625 0.813 0.800 1.375 1.540 0.500 1.270412 1.250 1.041 0.120 0.290 0.625 0.813 1.170 2.000 1.540 0.500 1.710

� Resists Shock, Vibration or Accidental Movement� Used with Standard Off-the-Shelf 0.700" Diameter

Control Knobs� Used with MS91528 and EH71 Knobs

� Locks Mount Directly to Threaded Control Bushings,Replacing Mounting Nuts and Lock Washers

� No Special Mounting Hardware or Tools Required

StockNo.

Mfr.’sType

Dimension (Inch)Thread EACH

A B C D E F G L

70279533 05AR40BI5013 4.09 2.68 1.35 0.75 1.85 0.93 0.38 — 1/2-13 Insert 5.9970279532 05AR41BI3716 4.09 2.68 1.35 0.75 1.85 0.93 0.38 — 3/8-16 Insert 8.2170279530 05AR32BI-3716 3.27 2.24 1.05 0.50 1.65 0.74 0.35 — 3/8-16 Insert 5.9070279518 05AR25BI-3118 2.56 1.81 0.90 0.50 1.35 0.59 0.31 — 5/16-18 Insert 3.9570279515 05AR17BI2520 1.69 1.26 0.66 0.37 1.00 0.46 0.19 — 1/4-20 Insert 2.99

70279516 05AR17S-252010 1.69 1.26 0.66 — 1.00 0.46 0.19 1.00 1/4-20 Stud 4.3670279519 05AR25S-371620 2.56 1.81 0.90 — 1.35 0.59 0.31 2.00 3/8-16 Stud 4.8170279531 05AR40S-501325 4.09 2.68 1.35 — 1.85 0.93 0.38 2.00 3/8-16 Stud 5.9070279517 05AR25S-311875B* 2.56 1.81 0.90 — 1.35 0.59 0.31 0.75 5/16-18 Stud 3.6170279547 05AR32S-371620BK* 3.27 2.24 1.05 — 1.65 0.74 0.35 2.00 3/8-16 Stud 6.84

*Color: A — natural; B — black.

PVL: Round with Line. PKP: Round with Pointer. PVS: Round with Arrow on Dial.

Knob Locks

Machined Aluminum Knobs

400 Series and Industrial Heavy-Duty Series

3000 Series ABS Plastic Fine Knurl Knob

26

2066 HARDWARE

26

AUTO

MAT

ION

& C

ON

TRO

LIN

DEX

ENCL

OSU

RES

POW

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TERC

ON

NEC

TTE

ST&

MEA

SURE

MEN

TPA

SSIV

E&

AC

TIVE

OPT

OEL

ECTR

ON

ICS

HARD

WARE

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