5305-00-051-4078
Find complete technical information, availability, and procurement data for: 5305-00-051-4078
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An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.
hexagon head style, right-hand thread direction, 0.875 inches minimum thread length, 1.250 inches nominal fastener length, 2a 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.875 inches minimum
- Fastener Length
- 1.250 inches nominal
- Head Style
- hexagon
- Head Height
- 0.195 inches minimum and 0.211 inches maximum
- Width Between Flats
- 0.489 inches minimum and 0.500 inches maximum
- Nominal Thread Diameter
- 0.312 inches
- Thread Quantity Per Inch
- 24
- Hardness Rating
- 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
- Material
- steel overall
- Material Document And Classification
- astm a354, grade bd assn std single material response overall
- Surface Treatment
- zinc and chromate overall
- Surface Treatment Document And Classification
- astm b633, type fe/zn5 or fe/zn8 assn std all treatment responses 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5306-00-022-3587 | No Name Available | 10/01/1983 |
| 5306-00-208-8001 | No Name Available | 01/01/1993 |
| 5305-00-463-5675 | No Name Available | 06/29/1970 |
| 5306-01-398-8600 | No Name Available | 10/01/2001 |
Related Parts
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| Part Number | Name |
|---|---|
| 157D4350-105 | Hexagon Head Cap Screw |
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| 223587 | Hexagon Head Cap Screw |
| 5306000514078 | Hexagon Head Cap Screw |
| 63-CL-3335-1 | Hexagon Head Cap Screw |
| AESQ1F312A25AW9A91 | Hexagon Head Cap Screw |
| B1821BH031F125N | Hexagon Head Cap Screw |
| C10-26066 | Hexagon Head Cap Screw |
| MS35304-36 | Hexagon Head Cap Screw |
| MS90727-36 | Hexagon Head Cap Screw |
FAQs
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Does NSN 5305-00-051-4078 contain precious materials?
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When the NSN 5305-00-051-4078 was assigned to the Federal Catalog?
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