5305-00-728-6321
Find complete technical information, availability, and procurement data for: 5305-00-728-6321
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An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.
0.615 inches minimum and 0.635 inches maximum fastener length, headless (setscrew) head style, 3a thread class, right-hand thread direction, 0.615 inches minimum and 0.635 inches maximum thread length
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
- 0.615 inches minimum and 0.635 inches maximum
- Fastener Length
- 0.615 inches minimum and 0.635 inches maximum
- Head Style
- headless (setscrew)
- Point Style
- flat
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.250 inches
- Width Across Flats
- 0.125 inches nominal
- Thread Quantity Per Inch
- 28
- Hardness Rating
- 45.0 rockwell c minimum and 53.0 rockwell c maximum overall
- Material
- steel comp 4032 or steel comp 4037 or steel comp 4137 or steel comp 4140 or steel comp 8630 or steel comp 8740 overall
- Material Document And Classification
- 66 fed std all material responses overall
- Surface Treatment Document And Classification
- qq-p-416,ty 2,cl 3 fed spec single treatment response overall
- Thread Series Designator
- unf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-054-1820 | No Name Available | 03/01/1998 |
| 5305-00-741-7416 | No Name Available | 06/01/1988 |
| 5305-00-839-9433 | No Name Available | 09/01/2023 |
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 |
|---|---|
| MS51026-64 | Setscrew |
| MS51966-64 | Setscrew |
FAQs
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Does NSN 5305-00-728-6321 require demilitarization?
Does NSN 5305-00-728-6321 contain precious materials?
Does NSN 5305-00-728-6321 contain hazardous materials?
When the NSN 5305-00-728-6321 was assigned to the Federal Catalog?
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