R300C08M
View detailed technical data, stock status, and sourcing information for: R300C08M
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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.
3b thread class, 0.168 inches minimum nut counterbore diameter, dry film lubricant lubrication, prevailing torque all metal design locking feature, 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
- 3b
- Thread Direction
- right-hand
- Locking Feature
- prevailing torque all metal design
- Counterbore Diameter
- 0.168 inches minimum nut
- Lubrication
- dry film lubricant
- Mounting Hole Diameter
- 0.098 inches minimum and 0.103 inches maximum
- Nut Style
- plate
- Nut Length
- 0.486 inches maximum
- Nut Height
- 0.250 inches maximum
- Plate Thickness
- 0.047 inches maximum
- Plate Width
- 0.235 inches minimum and 0.297 inches maximum
- Nut Counterbore Depth
- 0.062 inches minimum nut
- Nut Mounting Provision
- straight holes
- Mounting Hole Arrangement Style
- 2 holes
- Distance From Aperture Center To Mounting Hole Center
- 0.229 inches minimum and 0.239 inches maximum
- Center To Center Distance Between Mounting Holes Along Width
- 0.217 inches minimum and 0.221 inches maximum
- Temp Rating
- 450.0 fahrenheit nominal
- Thread Series
- unc
- Thread Quantity Per Inch
- 32
- Hardness Rating
- 49.0 rockwell c maximum
- Nominal Thread Size
- 0.164 inches
- Material
- iron alloy 660 overall
- Material Document And Classification
- ams5735 assn std single material response or ams5737 assn std single material response overall
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-01-118-4354 | No Name Available | 03/01/1992 |
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 |
|---|---|
| M12740E82 | Plate Self-Locking Nut |
| MA 12740E-82 | Plate Self-Locking Nut |
| MS21087L08 | Plate Self-Locking Nut |
| MT13C832M | Plate Self-Locking Nut |
| R300C08M | Plate Self-Locking Nut |
| RMLHTA575M2860-82 | Plate Self-Locking Nut |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-505-3949?
Does the NSN 5310-00-505-3949 have a Schedule B code assigned?
Does NSN 5310-00-505-3949 require demilitarization?
Does NSN 5310-00-505-3949 contain precious materials?
Does NSN 5310-00-505-3949 contain hazardous materials?
When the NSN 5310-00-505-3949 was assigned to the Federal Catalog?
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