5305-00-021-3668
Find complete technical information, availability, and procurement data for: 5305-00-021-3668
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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 nominal fastener length, 0.750 inches minimum and 0.938 inches maximum thread length, 2a thread class, hexagon head style, 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
- 0.750 inches minimum and 0.938 inches maximum
- Fastener Length
- 1.250 inches nominal
- Head Style
- hexagon
- Head Height
- 0.150 inches minimum and 0.163 inches maximum
- Width Between Flats
- 0.428 inches minimum and 0.438 inches maximum
- End Item Identification
- mrap buffalo mk2a2;mrap - m-atv with cs13 pop and sne; multiple launch rocket system (mlrs)
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 80000 pounds per square inch
- Material
- steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 overall
- Material Document And Classification
- 66 fed std all material responses overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response overall
- Thread Series Designator
- unc
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-063-9608 | No Name Available | 11/22/1968 |
| 5305-00-531-1113 | No Name Available | 01/01/1983 |
| 5305-00-791-8517 | No Name Available | 08/26/1966 |
| 5305-00-805-3496 | No Name Available | 07/16/1971 |
| 5305-00-808-5839 | No Name Available | 09/21/1966 |
| 5305-01-248-9692 | No Name Available | 10/01/1991 |
| 5305-01-465-0383 | No Name Available | 08/01/2013 |
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 |
|---|---|
| 0740780 | Hexagon Head Cap Screw |
| 326-0932-00 | Hexagon Head Cap Screw |
| 326-0932-000 | Hexagon Head Cap Screw |
| 412-3175 | Hexagon Head Cap Screw |
| 852528 | Hexagon Head Cap Screw |
| B345219 | Hexagon Head Cap Screw |
| MS35307-310 | Hexagon Head Cap Screw |
FAQs
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Does NSN 5305-00-021-3668 contain precious materials?
Does NSN 5305-00-021-3668 contain hazardous materials?
When the NSN 5305-00-021-3668 was assigned to the Federal Catalog?
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