1621234PC2
View detailed technical data, stock status, and sourcing information for: 1621234PC2
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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.
right-hand thread direction, flat countersunk head style, 0.760 inches maximum thread length, 0.740 inches minimum and 0.760 inches maximum fastener length, 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
- 0.760 inches maximum
- Fastener Length
- 0.740 inches minimum and 0.760 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.507 inches nominal
- Locking Feature
- pellet threads
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.250 inches
- Width Across Flats
- 0.156 inches minimum and 0.158 inches maximum
- Thread Quantity Per Inch
- 20
- Countersink Angle
- 82.0 degrees nominal
- Material
- steel comp 303 overall
- Material Document And Classification
- qq-s-763 fed spec single material response overall
- Surface Treatment
- passivate overall
- Thread Series Designator
- unc
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-799-8193 | No Name Available | 11/22/1968 |
| 5305-00-942-2175 | No Name Available | 07/25/1969 |
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 |
|---|---|
| 12Z1201PC23 | Socket Head Cap Screw |
| 1621234PC2 | Socket Head Cap Screw |
| 16991E-4C-12 | Socket Head Cap Screw |
| 5AQM62CR1032-12E | Socket Head Cap Screw |
| PL5010 ITEM 274 | Socket Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-842-3410?
Does the NSN 5305-00-842-3410 have a Schedule B code assigned?
Does NSN 5305-00-842-3410 require demilitarization?
Does NSN 5305-00-842-3410 contain precious materials?
Does NSN 5305-00-842-3410 contain hazardous materials?
When the NSN 5305-00-842-3410 was assigned to the Federal Catalog?
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Pricing
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