256-6603687-VHBM-101
View detailed technical data, stock status, and sourcing information for: 256-6603687-VHBM-101
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An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.
right-hand thread direction, 1.125 inches nominal fastener length, flat countersunk head style, 1.000 inches nominal thread 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
- 1.000 inches nominal
- Fastener Length
- 1.125 inches nominal
- Head Style
- flat countersunk
- Head Diameter
- 0.720 inches minimum and 0.734 inches maximum
- Locking Feature
- pellet or strip or patch threads
- Internal Drive Style
- slot
- Nominal Thread Diameter
- 0.375 inches
- 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
- Countersink Angle
- 80.0 degrees minimum and 82.0 degrees maximum
- Material
- plastic polyamide (nylon) locking feature
- Material
- titanium alloy uns r56400 fastener
- Material Document And Classification
- astm b548 gr 5 assn std single material response or ams 4928 assn std single material response fastener
- Thread Series Designator
- unc
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-101 | Socket Head Cap Screw |
| 5959304-91 | Socket Head Cap Screw |
| 803-5959304-X-91 | Socket Head Cap Screw |
FAQs
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What is the FSCG of the NSN 5305-01-330-7574?
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Does NSN 5305-01-330-7574 require demilitarization?
Does NSN 5305-01-330-7574 contain precious materials?
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When the NSN 5305-01-330-7574 was assigned to the Federal Catalog?
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