253874 PC NO 15
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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.
1.250 inches minimum and 1.440 inches maximum thread length, 2a thread class, hexagon head style, 2.750 inches nominal fastener length, right-hand thread direction
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 minimum and 1.440 inches maximum
- Fastener Length
- 2.750 inches nominal
- Head Style
- hexagon
- Head Height
- 0.302 inches minimum and 0.323 inches maximum
- Width Between Flats
- 0.736 inches minimum and 0.750 inches maximum
- Nominal Thread Diameter
- 0.500 inches
- Thread Quantity Per Inch
- 13
- Material
- nickel alloy 400 or nickel alloy r-405 overall
- Material Document And Classification
- qq-n-281 fed spec all material responses overall
- Thread Series Designator
- unc
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 |
|---|---|
| 253870 PC NO 15 | Hexagon Head Cap Screw |
| 253872 ASSY 99 PIECE 15 | Hexagon Head Cap Screw |
| 253872 ASSY PIECE 15 | Hexagon Head Cap Screw |
| 253873 ASSY 99 | Hexagon Head Cap Screw |
| 253874 PC 15 | Hexagon Head Cap Screw |
| 253874 PC NO 15 | Hexagon Head Cap Screw |
| 42172-K-381 | Hexagon Head Cap Screw |
| MS35311-118 | Hexagon Head Cap Screw |
FAQs
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What is the FSCG of the NSN 5305-00-226-9195?
Does the NSN 5305-00-226-9195 have a Schedule B code assigned?
Does NSN 5305-00-226-9195 require demilitarization?
Does NSN 5305-00-226-9195 contain precious materials?
Does NSN 5305-00-226-9195 contain hazardous materials?
When the NSN 5305-00-226-9195 was assigned to the Federal Catalog?
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