74328-6H20
View detailed technical data, stock status, and sourcing information for: 74328-6H20
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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.
0.589 inches minimum and 0.639 inches maximum thread length, 1.849 inches minimum and 1.879 inches maximum fastener length, right-hand thread direction, double hexagon w/hole head style, 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
- 0.589 inches minimum and 0.639 inches maximum
- Fastener Length
- 1.849 inches minimum and 1.879 inches maximum
- Head Style
- double hexagon w/hole
- Head Height
- 0.378 inches minimum and 0.398 inches maximum
- Width Between Flats
- 0.439 inches nominal
- Extended Washer Diameter
- 0.639 inches minimum and 0.649 inches maximum
- Extended Washer Thickness
- 0.081 inches minimum and 0.101 inches maximum
- Hole Diameter
- 0.050 inches minimum and 0.060 inches maximum
- Grip Diameter
- 0.3740 inches minimum and 0.3745 inches maximum
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 1.240 inches minimum and 1.260 inches maximum
- Hole Quantity
- 4
- Hole Type
- drilled
- Thread Quantity Per Inch
- 24
- Hole Configuration Style
- double hexagon longitudinal hole
- Material
- steel comp xm-13 overall
- 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 |
|---|---|---|
| 5306-00-332-4520 | No Name Available | 09/01/1990 |
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 |
|---|---|
| 74328-6H20 | Close Tolerance Bolt |
| AIC752-6H20 | Close Tolerance Bolt |
| BM3326-6H20 | Close Tolerance Bolt |
| MB84-6H20 | Close Tolerance Bolt |
| S11-1059-6H20 | Close Tolerance Bolt |
| S371-6H20 | Close Tolerance Bolt |
| ST3M571-6H20 | Close Tolerance Bolt |
| VAL23033-6H20 | Close Tolerance Bolt |
| VS3060-6H20 | Close Tolerance Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-01-177-0875?
Does the NSN 5306-01-177-0875 have a Schedule B code assigned?
Does NSN 5306-01-177-0875 require demilitarization?
Does NSN 5306-01-177-0875 contain precious materials?
Does NSN 5306-01-177-0875 contain hazardous materials?
When the NSN 5306-01-177-0875 was assigned to the Federal Catalog?
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