HC-256-6-SS-P
View detailed technical data, stock status, and sourcing information for: HC-256-6-SS-P
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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.
flat chamfer head style, 3a thread class, 0.345 inches minimum and 0.375 inches maximum fastener length, 0.309 inches minimum and 0.375 inches maximum thread length, right-hand thread direction
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
- 0.309 inches minimum and 0.375 inches maximum
- Fastener Length
- 0.345 inches minimum and 0.375 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.134 inches minimum and 0.140 inches maximum
- Head Height
- 0.083 inches minimum and 0.086 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.086 inches
- Width Across Flats
- 0.078 inches minimum and 0.079 inches maximum
- Thread Quantity Per Inch
- 56
- Minimum Tensile Strength
- 80000 pounds per square inch
- Hardness Rating
- 80.0 rockwell b minimum overall
- Minimum Yield Strength
- 30000 pounds per square inch
- Material
- steel corrosion resisting overall
- Material Document And Classification
- 66 fed std single material response overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response overall
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- 6 type
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-083-4622 | No Name Available | 07/01/1983 |
| 5305-00-130-7470 | No Name Available | 07/01/1986 |
| 5305-00-686-1080 | No Name Available | 04/01/2002 |
| 5305-00-730-3477 | No Name Available | 07/09/1969 |
| 5305-00-764-4603 | No Name Available | 07/13/1973 |
| 5305-00-902-2153 | No Name Available | 07/15/1968 |
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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:
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|---|---|
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| 112-0681-007 | Socket Head Cap Screw |
| 15650071 | Socket Head Cap Screw |
| 15650071-1 | Socket Head Cap Screw |
| 1960SERIES2-56X 3/8 | Socket Head Cap Screw |
| 20098-92C6 | Socket Head Cap Screw |
| 2301-0323T | Socket Head Cap Screw |
| 33AF1121-02-06 | Socket Head Cap Screw |
| 412004-206 | Socket Head Cap Screw |
| 418262-3 | Socket Head Cap Screw |
| 5305PL0145159 | Socket Head Cap Screw |
| 94708-92C-6 | Socket Head Cap Screw |
| HC-256-6-SS-P | Socket Head Cap Screw |
| MS16995-3 | Socket Head Cap Screw |
| N171P5006 | Socket Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-068-5411?
Does the NSN 5305-00-068-5411 have a Schedule B code assigned?
Does NSN 5305-00-068-5411 require demilitarization?
Does NSN 5305-00-068-5411 contain precious materials?
Does NSN 5305-00-068-5411 contain hazardous materials?
When the NSN 5305-00-068-5411 was assigned to the Federal Catalog?
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