5306-00-561-8668
Find complete technical information, availability, and procurement data for: 5306-00-561-8668
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An externally threaded fastener whose threaded portion is of one nominal diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also bolt, ribbed neck.
1.000 inches nominal thread length, left-hand thread direction, 2a thread class, flat chamfer head style, 2.730 inches nominal fastener 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
- 2a
- Thread Direction
- left-hand
- Thread Length
- 1.000 inches nominal
- Fastener Length
- 2.730 inches nominal
- Head Style
- flat chamfer
- Head Diameter
- 1.322 inches nominal
- Head Height
- 0.325 inches nominal
- Shoulder Diameter
- 0.975 inches nominal first shoulder
- Shoulder Length
- 0.160 inches nominal first shoulder
- Rib Major Diameter
- 1.000 inches nominal
- Rib Length
- 0.465 inches nominal
- Distance From Largest Diameter Of Bearing Surface Of Head To Ribs
- 0.160 inches nominal
- Rib Minor Diameter
- 0.875 inches nominal
- Rib Quantity
- 37
- Nominal Thread Diameter
- 0.750 inches
- Thread Quantity Per Inch
- 16
- Rib Included Angle
- 45.0 degrees nominal
- Shoulder Shape
- round first shoulder
- Special Features
- head is recessed 0.562 in.dia by 0.040 in.deep
- Material
- steel overall
- Thread Series Designator
- unf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 2530-00-765-6703 | No Name Available | 01/01/1962 |
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:
FAQs
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When the NSN 5306-00-561-8668 was assigned to the Federal Catalog?
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