1366AS545
View detailed technical data, stock status, and sourcing information for: 1366AS545
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A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.
right-hand thread direction, square head style, 2a thread class, 7.950 inches minimum and 8.050 inches maximum fastener length, 3.750 inches minimum 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 3.750 inches minimum
- Fastener Length
- 7.950 inches minimum and 8.050 inches maximum
- Head Style
- square
- Head Height
- 0.278 inches minimum and 0.316 inches maximum
- Width Between Flats
- 0.603 inches minimum and 0.625 inches maximum
- Shoulder Diameter
- 0.452 inches nominal first shoulder
- Shoulder Length
- 4.250 inches nominal first shoulder
- Nominal Thread Diameter
- 0.438 inches
- Thread Quantity Per Inch
- 20
- Shoulder Shape
- round first shoulder
- Material
- steel overall
- Material Document And Classification
- sae grade 5 assn std single material response overall
- Surface Treatment
- zinc or cadmium or phosphate overall
- Thread Series Designator
- unf
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 |
|---|---|
| 1366AS545 | Shoulder Bolt |
FAQs
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What is the FSCG of the NSN 5306-01-282-4787?
Does the NSN 5306-01-282-4787 have a Schedule B code assigned?
Does NSN 5306-01-282-4787 require demilitarization?
Does NSN 5306-01-282-4787 contain precious materials?
Does NSN 5306-01-282-4787 contain hazardous materials?
When the NSN 5306-01-282-4787 was assigned to the Federal Catalog?
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