PBF1211-5-12F
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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.
3a thread class, 1.203 inches minimum and 1.250 inches maximum fastener length, right-hand thread direction, flat countersunk head style, 0.443 inches minimum and 0.510 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
- 0.443 inches minimum and 0.510 inches maximum
- Fastener Length
- 1.203 inches minimum and 1.250 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.429 inches minimum and 0.479 inches maximum
- Grip Diameter
- 0.3110 inches minimum and 0.3120 inches maximum
- Internal Drive Style
- torque-set ribbed
- Nominal Thread Diameter
- 0.312 inches
- Grip Length
- 0.740 inches minimum and 0.760 inches maximum
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 220000 pounds per square inch
- Countersink Angle
- 90.0 degrees minimum and 101.0 degrees maximum
- Part Name Assigned By Controlling Agency
- navy special project
- Material Document And Classification
- ams 6487 assn std single material response overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- ams 2401 assn std single treatment response or nas 672 assn std single treatment response or mil-c-8837 ty 2,cl 2 mil spec single treatment response overall
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 |
|---|---|
| 121825-5-12 | Close Tolerance Screw |
| GB510CB5-12 | Close Tolerance Screw |
| HR207-5-12 | Close Tolerance Screw |
| PBF1211-5-12F | Close Tolerance Screw |
| SCD1825-5-12 | Close Tolerance Screw |
FAQs
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What is the FSCG of the NSN 5305-01-314-5483?
Does NSN 5305-01-314-5483 require demilitarization?
Does NSN 5305-01-314-5483 contain precious materials?
Does NSN 5305-01-314-5483 contain hazardous materials?
When the NSN 5305-01-314-5483 was assigned to the Federal Catalog?
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