M1222SC4C363GJNN
View detailed technical data, stock status, and sourcing information for: M1222SC4C363GJNN
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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, flat chamfer head style, 1.000 inches minimum and 1.500 inches maximum thread length, 3.940 inches minimum and 4.000 inches maximum fastener length, 3a thread class
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
- 1.000 inches minimum and 1.500 inches maximum
- Fastener Length
- 3.940 inches minimum and 4.000 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.365 inches minimum and 0.375 inches maximum
- Head Height
- 0.244 inches minimum and 0.250 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.250 inches
- Width Across Flats
- 0.188 inches nominal
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 180000 pounds per square inch
- Hardness Rating
- 39.0 rockwell c minimum and 45.0 rockwell c maximum overall
- Part Name Assigned By Controlling Agency
- screw,cap,socket head
- Material
- steel comp 4340 overall
- Material Document And Classification
- astm a574 assn std single material response overall
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- 2 type
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 |
|---|---|
| M1222SC4C363GJNN | Socket Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-01-264-6379?
Does the NSN 5305-01-264-6379 have a Schedule B code assigned?
Does NSN 5305-01-264-6379 require demilitarization?
Does NSN 5305-01-264-6379 contain precious materials?
Does NSN 5305-01-264-6379 contain hazardous materials?
When the NSN 5305-01-264-6379 was assigned to the Federal Catalog?
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