5305-01-273-1498
Find complete technical information, availability, and procurement data for: 5305-01-273-1498
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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.
right-hand thread direction, 0.864 inches minimum and 1.052 inches maximum thread length, 2a thread class, hexagon head style, 4.656 inches minimum and 4.750 inches maximum 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
- right-hand
- Thread Length
- 0.864 inches minimum and 1.052 inches maximum
- Fastener Length
- 4.656 inches minimum and 4.750 inches maximum
- 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
- Hole Diameter
- 0.060 inches minimum and 0.068 inches maximum
- Nominal Thread Diameter
- 0.312 inches
- Hole Quantity
- 1
- Hole Type
- drilled
- Features Provided
- finished head
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 150000 pounds per square inch
- Hardness Rating
- 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
- Hole Configuration Style
- hexagon flats
- 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 2 assn std all treatment responses overall
- Thread Series Designator
- unf
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 |
|---|---|
| B1821BH031F475D | Hexagon Head Cap Screw |
| MS18153-49 | Hexagon Head Cap Screw |
FAQs
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Does NSN 5305-01-273-1498 require demilitarization?
Does NSN 5305-01-273-1498 contain precious materials?
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When the NSN 5305-01-273-1498 was assigned to the Federal Catalog?
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