E-172-050-588 B0LT
View detailed technical data, stock status, and sourcing information for: E-172-050-588 B0LT
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An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.
right-hand thread direction, 1.250 inches nominal thread length, 2a thread class, 2.250 inches nominal fastener length, hexagon head style
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
- right-hand
- Thread Length
- 1.250 inches nominal
- Fastener Length
- 2.250 inches nominal
- Head Style
- hexagon
- Head Height
- 0.297 inches nominal
- Width Between Flats
- 0.725 inches minimum and 0.750 inches maximum
- Nominal Thread Diameter
- 0.500 inches
- Features Provided
- finished head
- Thread Quantity Per Inch
- 13
- Minimum Tensile Strength
- 75000 pounds per square inch
- Hardness Rating
- 80.0 rockwell b minimum overall
- Material
- steel overall
- Surface Treatment
- zinc overall
- Surface Treatment Document And Classification
- qq-z-325,ty2,cl2 fed spec single treatment response overall
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- 1 type and 2 grade
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5306-00-297-8742 | No Name Available | 02/01/1982 |
| 5306-00-660-1962 | No Name Available | 04/01/1982 |
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 |
|---|---|
| 0.50013UNC2A2.250T1G2BSAEO | Machine Bolt |
| B1754-225 | Machine Bolt |
| E-172-050 ITEM | Machine Bolt |
| E-172-050-588 B0LT | Machine Bolt |
| M1222RN8C236GCNZE | Machine Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-00-174-9465?
Does the NSN 5306-00-174-9465 have a Schedule B code assigned?
Does NSN 5306-00-174-9465 require demilitarization?
Does NSN 5306-00-174-9465 contain precious materials?
Does NSN 5306-00-174-9465 contain hazardous materials?
When the NSN 5306-00-174-9465 was assigned to the Federal Catalog?
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