5305-01-197-4004
Find complete technical information, availability, and procurement data for: 5305-01-197-4004
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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, 3a thread class, 0.306 inches minimum and 0.356 inches maximum thread length, 1.665 inches minimum and 1.685 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
- 0.306 inches minimum and 0.356 inches maximum
- Fastener Length
- 1.665 inches minimum and 1.685 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.610 inches minimum and 0.625 inches maximum
- Head Height
- 0.157 inches minimum and 0.172 inches maximum
- Locking Feature
- detent ball grip
- Grip Diameter
- 0.3112 inches minimum and 0.3117 inches maximum
- Shank Unthreaded Hole Diameter
- 0.076 inches minimum and 0.086 inches maximum first hole
- Internal Drive Style
- slot
- Nominal Thread Diameter
- 0.312 inches
- Grip Length
- 1.188 inches minimum and 1.203 inches maximum
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 63000 pounds per square inch
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 1.553 inches minimum and 1.573 inches maximum first hole
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Material
- steel comp 631 or steel comp 302 spring
- Material
- steel comp 632 fastener
- Material Document And Classification
- astm a580 cond. a assn std single material response spring
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment 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 |
|---|---|---|
| 5305-01-158-6252 | No Name Available | 02/01/1989 |
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 |
|---|---|
| MS21125B519 | Close Tolerance Screw |
| MS2115A-519 | Close Tolerance Screw |
| NASM21125B519 | Close Tolerance Screw |
FAQs
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When the NSN 5305-01-197-4004 was assigned to the Federal Catalog?
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