5305-00-225-2571
Find complete technical information, availability, and procurement data for: 5305-00-225-2571
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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.
right-hand thread direction, 3a thread class, flat chamfer head style, 3.665 inches minimum and 3.691 inches maximum fastener length, 1.230 inches minimum and 1.250 inches maximum thread length
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
- 1.230 inches minimum and 1.250 inches maximum
- Fastener Length
- 3.665 inches minimum and 3.691 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 1.723 inches minimum and 1.750 inches maximum
- Head Height
- 0.741 inches minimum and 0.750 inches maximum
- Shoulder Diameter
- 1.247 inches minimum and 1.248 inches maximum first shoulder
- Shoulder Length
- 2.435 inches minimum and 2.441 inches maximum first shoulder
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.875 inches
- Width Across Flats
- 0.625 inches nominal
- Thread Quantity Per Inch
- 9
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 43.0 rockwell c maximum overall
- Shoulder Shape
- round first shoulder
- Material
- steel overall
- Surface Treatment
- cadmium overall
- Special Test Features
- special quality control testing
- Surface Treatment Document And Classification
- qq-p-416,ty 1,cl 3 fed spec single treatment response overall
- Test Data Document
- "81349-mil-p-23199 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
- Thread Series Designator
- unc
- Reference Number Differentiating Characteristics
- material must conformships parts control center special quality control provisions
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-144-0361 | No Name Available | 07/01/1983 |
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 |
|---|---|
| 12705-20C39C | Shoulder Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-225-2571?
Does the NSN 5305-00-225-2571 have a Schedule B code assigned?
Does NSN 5305-00-225-2571 require demilitarization?
Does NSN 5305-00-225-2571 contain precious materials?
Does NSN 5305-00-225-2571 contain hazardous materials?
When the NSN 5305-00-225-2571 was assigned to the Federal Catalog?
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