5305-00-389-8133
Find complete technical information, availability, and procurement data for: 5305-00-389-8133
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An insulator that is essentially thin, flat, and round in shape, with or without holes. The general shape may vary by the addition of such features as beveled edges, indented surfaces, through-hole key and/or peripheral flats. It may have one or more holes off center; if there are two or more holes, one may be centrally located. Excludes:mounting pad, electrical-electronic component.
3a thread class, flat chamfer head style, 0.335 inches minimum and 0.345 inches maximum fastener length, 0.250 inches minimum thread length, right-hand thread direction
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.250 inches minimum
- Fastener Length
- 0.335 inches minimum and 0.345 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.367 inches minimum and 0.375 inches maximum
- Head Height
- 0.195 inches minimum and 0.200 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.250 inches
- Width Across Flats
- 0.187 inches minimum and 0.191 inches maximum
- Thread Quantity Per Inch
- 20
- Hardness Rating
- 42.0 rockwell c minimum and 45.0 rockwell c maximum overall
- Special Features
- 2 wrench slots on periphery opposite flats 0.062 inch wide by 0.030 inch deep by 45 degree radius
- Material
- steel comp 6150 or steel comp 8645 overall
- Surface Treatment
- phosphate overall
- Thread Series Designator
- unc
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 5305003898133 | Socket Head Cap Screw |
| 7266871 | Socket Head Cap Screw |
FAQs
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When the NSN 5305-00-389-8133 was assigned to the Federal Catalog?
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