MS21025-28
View detailed technical data, stock status, and sourcing information for: MS21025-28
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part MS21025-28 to receive an up to date pricing and availability quote by email.
A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes:nut (1), plain, slotted, hexagon.
right-hand thread direction, 0.562 inches minimum and 0.578 inches maximum nut height, 2.125 inches minimum and 2.141 inches maximum width across flats, 3b thread class, castellated, hexagon nut style
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3b
- Thread Direction
- right-hand
- Nut Style
- castellated, hexagon
- Nut Height
- 0.562 inches minimum and 0.578 inches maximum
- Width Across Flats
- 2.125 inches minimum and 2.141 inches maximum
- Thread Series
- un
- Thread Quantity Per Inch
- 16
- Hardness Rating
- 30.0 rockwell c minimum and 34.0 rockwell c maximum
- Nominal Thread Size
- 1.750 inches
- Countersink Angle
- 110.0 degrees nominal nut
- Bearing Surface Type
- washer faced
- Bearing Surface Finish
- 32.0 microinches
- Material
- steel comp 4140 or steel comp 8740 overall
- Material Document And Classification
- 66 fed std all material responses overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- qq-p-416,ty 2,cl 3 fed spec single treatment response overall
- Nondefinitive Spec/Std Data
- 5 type
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-00-275-5115 | No Name Available | 03/11/1968 |
| 5310-00-550-4846 | No Name Available | 05/01/1986 |
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 |
|---|---|
| 5310PL1017727 | Nut,plain,castellated,hexagon |
| MS21025-28 | Nut,plain,castellated,hexagon |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-838-0264?
Does the NSN 5310-00-838-0264 have a Schedule B code assigned?
Does NSN 5310-00-838-0264 require demilitarization?
Does NSN 5310-00-838-0264 contain precious materials?
Does NSN 5310-00-838-0264 contain hazardous materials?
When the NSN 5310-00-838-0264 was assigned to the Federal Catalog?
Professional Distribution
Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.
- ITAR Registered
- DDTC Registered
- HAZMAT Certified
- AS9120 Quality Standards
- 100% Quality Inspections
You May Also Like
Browse other in-demand NSN parts sourced by professionals in defense, aerospace, and manufacturing sectors. Each component meets strict standards for quality and performance.
Pricing
Submit your request below and our team will respond quickly with up-to-date pricing, delivery estimates, and stock information:
