1. Introduction & Context

️· Company: Key Electric Co. (Keyelco)
️· Contact Information:
- Phone: (718) 956-8900
- Fax: (718) 956-9040
- Website: www.keyelco.com
- Email: kec@keyelco.com
️· Certifications: RoHS Compliant & ISO 9001 Certified
️· Address: 31-07 20th Road, Astoria, NY 11105-2017

2. Product Category: Instrumentation Knobs

️· Description: The text provides specifications and dimensions for various instrumentation knobs.
️· Material Specifications (Common to all knobs):
- Knob: ABS (Acrylonitrile Butadiene Styrene)
- Inlay: Spun Aluminum
- Insert: Brass, Nickel Plate
️· Feature: All knobs are supplied with two set screws installed.
️· Table of Specifications: A detailed table follows, outlining:
- Cat. No.: (e.g., 8554, 8555, 8560, etc.) - Unique identifier for each knob type.
- Shaft (Dia.): Diameter of the shaft the knob fits onto (e.g., .125, .250 inches).
- D (Dia.): Diameter of the knob (often the largest dimension)
- H (Height): Height or thickness of the knob.
- M (Max.): Maximum dimension (likely relating to the overall size of the knob).
- L (Location): (appears to be related to the placement of the knob, though specific meaning not clear.)
- B (Depth): (similar to L, unclear meaning)
- I.D. (Dia.): Inside Diameter
- C (C’bore Depth): Depth of C’ bore
- Nut Clearance

3. Other Product Categories Mentioned:

️· Instrumentation: (likely related to the knobs)
️· Phenolic Knobs

4. Additional Content:

️· Instrumentation: (likely related to the knobs)
️· Phenolic Knobs

Key Takeaways:

️· This document is a product catalog excerpt from Key Electric Co., specifically detailing their range of instrumentation knobs.
️· The knobs are constructed from common materials (ABS, Aluminum, Brass) and are designed to fit standard shafts.
️· The extensive table provides detailed specifications for each knob type, allowing for precise selection based on application requirements.