5305-01-231-2210
Find complete technical information, availability, and procurement data for: 5305-01-231-2210
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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.
flat countersunk head style, 0.389 inches nominal thread length, right-hand thread direction, 1.624 inches minimum and 1.654 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
- 0.389 inches nominal
- Fastener Length
- 1.624 inches minimum and 1.654 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.2485 inches minimum and 0.2495 inches maximum
- Grip Diameter
- 0.2485 inches minimum and 0.2495 inches maximum
- Single Shear Strength
- 95000 pounds per square inch
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 1.240 inches minimum and 1.260 inches maximum
- Thread Quantity Per Inch
- 28
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Special Features
- identify w/green dye or paint on thread end
- Material
- iron alloy 660 overall
- Material Document And Classification
- ams 5737 assn std single material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- qq-p-416,type ii,class 2 fed spec single treatment response overall
- Thread Series Designator
- unjs
- Specification/Standard Data
- 81205-bacb30lh manufacturers standard
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 |
|---|---|
| BACB30LH4-20 | Close Tolerance Screw |
FAQs
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When the NSN 5305-01-231-2210 was assigned to the Federal Catalog?
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