5305-00-939-0658
Find complete technical information, availability, and procurement data for: 5305-00-939-0658
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An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.
right-hand thread direction, 0.480 inches minimum and 0.500 inches maximum thread length, flat chamfer head style, 1.230 inches minimum and 1.250 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
- 0.480 inches minimum and 0.500 inches maximum
- Fastener Length
- 1.230 inches minimum and 1.250 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.543 inches minimum and 0.562 inches maximum
- Head Height
- 0.244 inches minimum and 0.250 inches maximum
- Shoulder Diameter
- 0.371 inches minimum and 0.373 inches maximum first shoulder
- Shoulder Length
- 0.750 inches nominal first shoulder
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.312 inches
- Width Across Flats
- 0.188 inches nominal
- Thread Quantity Per Inch
- 18
- Hardness Rating
- 36.0 rockwell c minimum and 43.0 rockwell c maximum overall
- Minimum Yield Strength
- 140000 pounds per square inch
- Shoulder Shape
- round first shoulder
- Material
- steel overall
- Surface Treatment
- cadmium overall
- Thread Series Designator
- unc
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-088-1933 | No Name Available | 01/12/1972 |
| 5305-01-094-9863 | No Name Available | 02/01/1985 |
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 |
|---|---|
| 10823-01503 | Shoulder Screw |
| 1352060 | Shoulder Screw |
| 5305PL0809758 | Shoulder Screw |
| MS16638-18 | Shoulder Screw |
| MS51975-18 | Shoulder Screw |
FAQs
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Does NSN 5305-00-939-0658 require demilitarization?
Does NSN 5305-00-939-0658 contain precious materials?
Does NSN 5305-00-939-0658 contain hazardous materials?
When the NSN 5305-00-939-0658 was assigned to the Federal Catalog?
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