HT4010-4-12
View detailed technical data, stock status, and sourcing information for: HT4010-4-12
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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.
right-hand thread direction, fillister countersunk head style, 3a thread class, 0.371 inches minimum and 0.438 inches maximum thread length, 1.131 inches minimum and 1.178 inches maximum fastener 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
- 0.371 inches minimum and 0.438 inches maximum
- Fastener Length
- 1.131 inches minimum and 1.178 inches maximum
- Head Style
- fillister countersunk
- Head Diameter
- 0.390 inches minimum and 0.395 inches maximum
- Head Height
- 0.015 inches maximum
- Shoulder Diameter
- 0.264 inches minimum and 0.265 inches maximum first shoulder
- Shoulder Length
- 0.696 inches nominal first shoulder
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity Per Inch
- 28
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Shoulder Shape
- round first shoulder
- Special Features
- socket drive recess in thread end,0.095 in. nom. width across flats
- Material
- steel corrosion resisting overall
- Material Document And Classification
- 23-112,fscm 76301 mfr ref single material 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5305-01-076-4934 | No Name Available | 06/01/1994 |
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 |
|---|---|
| 11911-4-12-1 | Shoulder Screw |
| HT4010-4-12 | Shoulder Screw |
| HT4016-4-12X | Shoulder Screw |
| ST3M495-4-12-1 | Shoulder Screw |
| WC4010-4-12 | Shoulder Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-01-072-4705?
Does the NSN 5305-01-072-4705 have a Schedule B code assigned?
Does NSN 5305-01-072-4705 require demilitarization?
Does NSN 5305-01-072-4705 contain precious materials?
Does NSN 5305-01-072-4705 contain hazardous materials?
When the NSN 5305-01-072-4705 was assigned to the Federal Catalog?
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