MS51963-157
View detailed technical data, stock status, and sourcing information for: MS51963-157
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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.
0.985 inches minimum and 1.015 inches maximum thread length, right-hand thread direction, 0.985 inches minimum and 1.015 inches maximum fastener length, headless (setscrew) head style, 3a thread class
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
- 0.985 inches minimum and 1.015 inches maximum
- Fastener Length
- 0.985 inches minimum and 1.015 inches maximum
- Head Style
- headless (setscrew)
- Point Style
- cup
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.625 inches
- Width Across Flats
- 0.312 inches nominal
- Thread Quantity Per Inch
- 11
- 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
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2,class 3 fed spec all treatment responses overall
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- 1 type and 4 style
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-071-3574 | No Name Available | 09/01/1982 |
| 5305-00-616-2769 | 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 |
|---|---|
| MS51963-157 | Setscrew |
| NASM51963-157 | Setscrew |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-725-0172?
Does the NSN 5305-00-725-0172 have a Schedule B code assigned?
Does NSN 5305-00-725-0172 require demilitarization?
Does NSN 5305-00-725-0172 contain precious materials?
Does NSN 5305-00-725-0172 contain hazardous materials?
When the NSN 5305-00-725-0172 was assigned to the Federal Catalog?
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Pricing
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