BACB30LU5-14
View detailed technical data, stock status, and sourcing information for: BACB30LU5-14
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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, flat countersunk head style, 1.334 inches minimum and 1.354 inches maximum fastener length, right-hand thread direction, 0.469 inches nominal 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
- 0.469 inches nominal
- Fastener Length
- 1.334 inches minimum and 1.354 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.574 inches minimum and 0.637 inches maximum
- Grip Diameter
- 0.3110 inches minimum and 0.3120 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.312 inches
- Grip Length
- 0.865 inches minimum and 0.885 inches maximum
- Thread Quantity Per Inch
- 24
- Countersink Angle
- 99.0 degrees minimum and 100.0 degrees maximum
- Material
- steel comp 4340 or steel comp 8740 overall
- Material Document And Classification
- mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams 6322 assn std 2nd material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- qq-p-416 fed spec single treatment response overall
- Thread Series Designator
- unjf
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 |
|---|---|
| BACB30LU5-14 | Close Tolerance Screw |
FAQs
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What is the FSCG of the NSN 5305-01-203-1663?
Does the NSN 5305-01-203-1663 have a Schedule B code assigned?
Does NSN 5305-01-203-1663 require demilitarization?
Does NSN 5305-01-203-1663 contain precious materials?
Does NSN 5305-01-203-1663 contain hazardous materials?
When the NSN 5305-01-203-1663 was assigned to the Federal Catalog?
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