TX1026C4-15A
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A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (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. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
flat countersunk head style, right-hand thread direction, 1.985 inches minimum and 2.015 inches maximum fastener length, 3a thread class, 0.420 inches minimum and 0.430 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
- 0.420 inches minimum and 0.430 inches maximum
- Fastener Length
- 1.985 inches minimum and 2.015 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.497 inches minimum and 0.506 inches maximum
- Spline Major Diameter
- 0.154 inches minimum and 0.156 inches maximum
- Grip Diameter
- 0.249 inches nominal
- Point Diameter
- 0.425 inches nominal
- Point Style
- flat
- Internal Drive Style
- torx
- End Item Identification
- item used on fighter aircraft-first (f18 e/f)
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.928 inches minimum and 0.948 inches maximum
- Thread Quantity Per Inch
- 28
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Part Name Assigned By Controlling Agency
- bolt, 100 degree tension head, gear drive recess
- Special Features
- 125 ksi shear strength
- Material
- nickel alloy 718 overall
- Material Document And Classification
- ams 5662 assn std single material response overall
- Surface Treatment
- passivate 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 |
|---|---|---|
| 5305-01-462-2669 | No Name Available | 05/01/2015 |
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 |
|---|---|
| 11827C4-15A | Close Tolerance Screw |
| 11827D4-15A | Close Tolerance Screw |
| 3M1169C4-15A | Close Tolerance Screw |
| 3M1169D4-15A | Close Tolerance Screw |
| GS1006C4-15A | Close Tolerance Screw |
| HP1169D4-15 | Close Tolerance Screw |
| TX1026C4-15A | Close Tolerance Screw |
| TX1026D4-15A | Close Tolerance Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-01-513-8895?
Does the NSN 5305-01-513-8895 have a Schedule B code assigned?
Does NSN 5305-01-513-8895 require demilitarization?
Does NSN 5305-01-513-8895 contain precious materials?
Does NSN 5305-01-513-8895 contain hazardous materials?
When the NSN 5305-01-513-8895 was assigned to the Federal Catalog?
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