8 minus -4 for sale, brand-new and used.

Thumb Lever Knob Pulled from retired equipment several years ago and kept in storage in our shop, this tan plastic knob features a pointed thumb lever/one-sided wingnut style. Knurled sides with aluminum trim top. Made for 1/8" shaft.

Thumb Lever Knob Pulled from retired equipment several years ago and kept in storage in our shop, this grey plastic knob features a pointed thumb lever/one-sided wingnut style. Knurled sides with aluminum trim top. Made for 1/8" shaft.

Tektronix Wingnut Knob Pulled from retired Tektronix equipment, this wingnut style knob is made of plastic in medium gray with a black top and white line indicator. Measures 3/4" across at widest x 2/3" tall. Hole for 1/8" shaft.

Lot of 5 Tektronix Knobs Pulled from retired Tektronix equipment, this lot of 5 knobs are made of plastic in medium gray with white line indicators. Each has a slot in the top so that a screwdriver can be used to turn them. Measures 0.4" in diameter x 0.25" tall.

Lot of 5 Tektronix Knobs Pulled from retired Tektronix equipment, this lot of 5 knobs are made of plastic in medium gray with white line indicators. Measures 0.4" in diameter x 0.25" tall. Hole for 1/8" shaft.

3 Pointer Knobs Pulled from used equipment, this trio of knobs is made of hard plastic with knurled barrels. Brass lined. Measure 0.8" in diameter x 0.58" tall.

Vintage Solid Aluminum Dual-Stacked Knob Set Pulled from vintage equipment, this concentric knob set is made of solid aluminum. Knurled edges with separate red indicator lines. Lower knob is 1" in diameter x 0.50" tall, hole for 1/4" shaft.

Small Black Pointer Knob w/Silver Face 2 pieces per package. Small black pointer knob w/silver face and white indicator. This 17/32" diameter knob has a pointer that extends 1/8" beyond its circumference.

Raytheon Control Knob MS91528-1A4B Pointer Bar Raytheon Control Knob MS91528-1A4B Pointer Bar Style Length: 1-1/2" Width: 11/16" (at widest point) Height: 5/8" Uses 2 set screws for mounting onto a 1/4" shaft. MFG: Raytheon MPN: MS91528-1A4B All Buyers: We ship your package using USPS First Class Mail or Priority Mail. While 99% of the time things go smoothly and you receive your items quickly there are a few times that the package is not delivered when USPS says it will.

Silver Dual-Stacked Knob with Separate Indicators, 1/4" and 1/8" Two separate aluminum knobs with a black line indicator on each. Designed for concentric shafts. Each knob has a fluted circumference.

Black Stacked Concentric Knobs w/Separate Pointer Indicators Two separate solid aluminum knobs with a white line indicator on each. Each knob has a knurled circumference. Large knob is 49/64" diameter, 5/8" high and will fit a 1/4" diameter shaft.

10K / 100K Dual Linear Potentiometer 10K / 100K Dual Potentiometer With Solder Lugs 10% Tolerance 100K Top---10K Bottom 1/4" Half-Moon Shaft Bushing: 3/8" Shaft Length: 5/16" Diameter: 15/16" / 24mm Comes with hardware; nut and washer. US Buyers Please Note: Returns and exchanges are accepted within 14 days of the receipt of your item. Please check your item after you receive it, no

JRC 5532D Dual Low Noise Op Amp 4 pieces per package. The JRC 5532D / NJM5532D is a high performance dual low noise operational amplifier. Suitable for application in high quality and professional audio equipment, instrumentation, control circuits, and telephone channel amplifiers.

AD822 Single Supply, Rail-to-Rail Low Power FET-Input Op Amp FEATURES

Buzzer, Piezo, Circular, Sonalert, Panel Mount, 64-76 dB(A), Continuous, 41.66mm Mallory #SNP428 The Mallory Sonalert produces an audible tone by internally creating an oscillating signal which drives a piezo ceramic transducer mounted in a sound chamber. Self driven piezo ceramic transducers are superior to electromagnetic buzzers because they produce no arcing, electrical noise, or mechanical wear during operation.

1/8 DIN (50 mm x 97 mm) 6 Digit, 0.56" (14.2 mm) LED Display Up to 3 Count Displays Programmable Scale Factors Programmable Function Keys/User inputs Four Setpoint Alarm Outputs NEMA 4X/IP65