5305-01-301-2139
Find complete technical information, availability, and procurement data for: 5305-01-301-2139
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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.
0.720 inches minimum and 0.750 inches maximum fastener length, 0.649 inches minimum and 0.750 inches maximum thread length, right-hand thread direction, 3a thread class, flat chamfer 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
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.649 inches minimum and 0.750 inches maximum
- Fastener Length
- 0.720 inches minimum and 0.750 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.365 inches minimum and 0.375 inches maximum
- Head Height
- 0.244 inches minimum and 0.250 inches maximum
- Hole Diameter
- 0.044 inches minimum and 0.050 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.250 inches
- Width Across Flats
- 0.188 inches minimum and 0.190 inches maximum
- Hole Quantity
- 3
- Hole Type
- drilled
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 80000 pounds per square inch
- Hole Configuration Style
- round internal hexagon
- Color
- gray/grey overall
- Material
- steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384 or steel comp xm-7 overall
- Surface Treatment
- ceramic overall
- Surface Treatment Document And Classification
- mil-c-81751 ty1,cl4 mil spec single treatment response overall
- Thread Series Designator
- unf
Related Parts
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| Part Number | Name |
|---|---|
| 6242928-11 | Socket Head Cap Screw |
FAQs
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Does NSN 5305-01-301-2139 contain precious materials?
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When the NSN 5305-01-301-2139 was assigned to the Federal Catalog?
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