256-6603687-VHBM-99
View detailed technical data, stock status, and sourcing information for: 256-6603687-VHBM-99
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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 chamfer head style, 1.125 inches nominal thread length, 1.250 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
- 1.125 inches nominal
- Fastener Length
- 1.250 inches nominal
- Head Style
- flat chamfer
- Head Diameter
- 0.550 inches minimum and 0.562 inches maximum
- Head Height
- 0.368 inches minimum and 0.375 inches maximum
- Locking Feature
- pellet or strip or patch threads
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.375 inches
- Width Across Flats
- 0.312 inches nominal
- Thread Quantity Per Inch
- 16
- Minimum Tensile Strength
- 180000 pounds per square inch
- Hardness Rating
- 39.0 rockwell c minimum and 45.0 rockwell c maximum fastener
- Material
- plastic polyamide (nylon) locking feature
- Material
- steel fastener
- Material Document And Classification
- astm a574 y 2 assn std single material response fastener
- Surface Treatment
- aluminum and chromate fastener
- Surface Treatment Document And Classification
- mil-c-83488 ty 2 cl 3 mil spec single treatment response fastener
- Thread Series Designator
- unrc
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 |
|---|---|
| 256-6603687-VHBM-99 | Socket Head Cap Screw |
| 5959304-89 | Socket Head Cap Screw |
| 803-5959304-X-89 | Socket Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-01-330-7572?
Does the NSN 5305-01-330-7572 have a Schedule B code assigned?
Does NSN 5305-01-330-7572 require demilitarization?
Does NSN 5305-01-330-7572 contain precious materials?
Does NSN 5305-01-330-7572 contain hazardous materials?
When the NSN 5305-01-330-7572 was assigned to the Federal Catalog?
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