203-20961-248
View detailed technical data, stock status, and sourcing information for: 203-20961-248
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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, 0.875 inches nominal thread length, flat chamfer head style, 0.875 inches nominal 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
- 0.875 inches nominal
- Fastener Length
- 0.875 inches nominal
- Head Style
- flat chamfer
- Head Diameter
- 0.265 inches minimum and 0.270 inches maximum
- Head Height
- 0.160 inches minimum and 0.164 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.164 inches
- Width Across Flats
- 0.125 inches minimum and 0.127 inches maximum
- Thread Quantity Per Inch
- 32
- Hardness Rating
- 80.0 rockwell b minimum overall
- Minimum Yield Strength
- 30000 pounds per square inch
- Material
- steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 overall
- Material Document And Classification
- 66 fed std all material responses overall
- Surface Treatment
- passivate overall
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- 1 type and 1936 series
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-885-7112 | No Name Available | 01/01/1962 |
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 |
|---|---|
| 203-20961-248 | Socket Head Cap Screw |
| 291-814SS | Socket Head Cap Screw |
| 637441PC11 | Socket Head Cap Screw |
| MS35461-5 | Socket Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-274-2305?
Does the NSN 5305-00-274-2305 have a Schedule B code assigned?
Does NSN 5305-00-274-2305 require demilitarization?
Does NSN 5305-00-274-2305 contain precious materials?
Does NSN 5305-00-274-2305 contain hazardous materials?
When the NSN 5305-00-274-2305 was assigned to the Federal Catalog?
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Pricing
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