MS21090-353
View detailed technical data, stock status, and sourcing information for: MS21090-353
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An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.
0.750 inches minimum thread length, pan head style, 2a thread class, right-hand thread direction, 0.750 inches nominal fastener 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.750 inches minimum
- Fastener Length
- 0.750 inches nominal
- Head Style
- pan
- Head Diameter
- 0.357 inches minimum and 0.373 inches maximum
- Head Height
- 0.122 inches minimum and 0.133 inches maximum
- Locking Feature
- patch or pellet or strip threads
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.190 inches
- Thread Quantity Per Inch
- 32
- Material
- steel overall
- Surface Treatment
- cadmium and chromate 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5305-00-053-5358 | No Name Available | 08/01/1982 |
| 5305-00-061-1794 | No Name Available | 05/01/1977 |
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 |
|---|---|
| LK21090-353 | Socket Head Cap Screw |
| MS21090-353 | Socket Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-078-0227?
Does the NSN 5305-00-078-0227 have a Schedule B code assigned?
Does NSN 5305-00-078-0227 require demilitarization?
Does NSN 5305-00-078-0227 contain precious materials?
Does NSN 5305-00-078-0227 contain hazardous materials?
When the NSN 5305-00-078-0227 was assigned to the Federal Catalog?
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Pricing
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