EWB22-8-28
View detailed technical data, stock status, and sourcing information for: EWB22-8-28
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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.
0.761 inches nominal thread length, 2.496 inches minimum and 2.526 inches maximum fastener length, double hexagon w/hole head style, 3a thread class, right-hand thread direction
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
- 0.761 inches nominal
- Fastener Length
- 2.496 inches minimum and 2.526 inches maximum
- Head Style
- double hexagon w/hole
- Head Height
- 0.494 inches minimum and 0.514 inches maximum
- Width Between Flats
- 0.553 inches minimum and 0.564 inches maximum
- Extended Washer Diameter
- 0.818 inches minimum and 0.828 inches maximum
- Extended Washer Thickness
- 0.123 inches nominal
- Grip Diameter
- 0.4990 inches minimum and 0.4995 inches maximum
- Single Shear Strength
- 132000 pounds per square inch
- Nominal Thread Diameter
- 0.500 inches
- Grip Length
- 1.740 inches minimum and 1.760 inches maximum
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 220000 pounds per square inch
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Material
- nickel alloy 718 overall
- Material Document And Classification
- ams 5662 assn std single material response overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response overall
- Thread Series Designator
- unjf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5306-01-124-8015 | No Name Available | 11/01/2003 |
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 |
|---|---|
| 84725-8-28 | Shear Bolt |
| BM3314-8-28 | Shear Bolt |
| EWB22-8-28 | Shear Bolt |
| GB511GF-8-28 | Shear Bolt |
| PBF1478-8-28 | Shear Bolt |
| VCC0090-8-28 | Shear Bolt |
| VEP220221-8F28 | Shear Bolt |
| VS3069F8-28 | Shear Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-01-419-5159?
Does the NSN 5306-01-419-5159 have a Schedule B code assigned?
Does NSN 5306-01-419-5159 require demilitarization?
Does NSN 5306-01-419-5159 contain precious materials?
Does NSN 5306-01-419-5159 contain hazardous materials?
When the NSN 5306-01-419-5159 was assigned to the Federal Catalog?
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