5305-00-551-4844
Find complete technical information, availability, and procurement data for: 5305-00-551-4844
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An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.
0.574 inches minimum and 0.604 inches maximum fastener length, 0.314 inches minimum and 0.364 inches maximum thread length, flat countersunk head style, right-hand thread direction, 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
- 0.314 inches minimum and 0.364 inches maximum
- Fastener Length
- 0.574 inches minimum and 0.604 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.344 inches minimum and 0.385 inches maximum
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.190 inches
- Thread Quantity Per Inch
- 32
- Minimum Tensile Strength
- 160000 pounds per square inch
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Screw Material
- iron alloy 660
- Screw Material Document And Classification
- ams 5735 assn std single material response
- Screw Surface Treatment
- passivate
- Screw Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response
- Thread Series Designator
- unjf
- Specification/Standard Data
- 80205-nas1221 professional/industrial association standard
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-01-276-8195 | No Name Available | 07/01/1991 |
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 |
|---|---|
| NAS1221-3E4 | Machine Screw |
FAQs
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Does NSN 5305-00-551-4844 require demilitarization?
Does NSN 5305-00-551-4844 contain precious materials?
Does NSN 5305-00-551-4844 contain hazardous materials?
When the NSN 5305-00-551-4844 was assigned to the Federal Catalog?
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