HT7M24
View detailed technical data, stock status, and sourcing information for: HT7M24
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A reciprocating internal combustion engine in which the power necessary to produce motion of the mechanism is obtained by igniting a compressed fuel and air mixture within the cylinder or cylinders by extreme heat resulting from compression. The engine consists of a cylinder block assembly complete with cylinder head(s) and oil pan(s). It may include attachments or accessories, such as starter motor, transmission for auxiliary equipment, clutch, oil filter, flywheel, flywheel housing or battery charging generator. A fuel tank is not included. For a complete operating power unit mounted on a base, see power unit (1), diesel.
3a thread class, flat countersunk head style, 2.140 inches minimum and 2.187 inches maximum fastener length, right-hand thread direction, 0.656 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
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.656 inches minimum
- Fastener Length
- 2.140 inches minimum and 2.187 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.881 inches minimum and 0.888 inches maximum
- Grip Diameter
- 0.4360 inches minimum and 0.4370 inches maximum
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.437 inches
- Grip Length
- 1.500 inches nominal
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
- Material Document And Classification
- mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2,class 3 fed spec single treatment response overall
- Thread Series Designator
- unf
- Specification/Standard Data
- 80205-nas587 professional/industrial association standard
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-638-9715 | No Name Available | 01/01/1961 |
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:
FAQs
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What is the FSCG of the NSN 5305-00-808-3978?
Does the NSN 5305-00-808-3978 have a Schedule B code assigned?
Does NSN 5305-00-808-3978 require demilitarization?
Does NSN 5305-00-808-3978 contain precious materials?
Does NSN 5305-00-808-3978 contain hazardous materials?
When the NSN 5305-00-808-3978 was assigned to the Federal Catalog?
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