5305-00-939-0657
Find complete technical information, availability, and procurement data for: 5305-00-939-0657
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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.
flat chamfer head style, 3a thread class, 1.860 inches minimum and 1.870 inches maximum fastener length, 0.355 inches minimum and 0.375 inches maximum thread length, right-hand thread direction
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
- 0.355 inches minimum and 0.375 inches maximum
- Fastener Length
- 1.860 inches minimum and 1.870 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.357 inches minimum and 0.375 inches maximum
- Head Height
- 0.177 inches minimum and 0.187 inches maximum
- Shoulder Diameter
- 0.246 inches minimum and 0.248 inches maximum first shoulder
- Shoulder Length
- 1.495 inches minimum and 1.505 inches maximum first shoulder
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.190 inches
- Width Across Flats
- 0.125 inches nominal
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 140000 pounds per square inch
- Hardness Rating
- 32.0 rockwell c minimum and 43.0 rockwell c maximum overall
- Shoulder Shape
- round first shoulder
- Material
- steel comp 4037 or steel comp 4137 or steel comp 4140 or steel comp 8630 or steel comp 8740 overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416 ty 2 cl 3 fed spec single treatment response 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 |
|---|---|---|
| 5305-00-065-5795 | No Name Available | 05/02/1967 |
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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:
FAQs
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When the NSN 5305-00-939-0657 was assigned to the Federal Catalog?
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