B1821BH050F125N
View detailed technical data, stock status, and sourcing information for: B1821BH050F125N
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A grouping of two or more physically connected or related electrical an/or electronic parts capable of dissassemblage. Each component of the assemblage must be capable of functioning in accordance with its own item name. Consists of a single printed circuit board or terminal board upon which are mounted separately manufactured electronic components such as capacitors, inductors, resistors, and the like. It may also include printed electronic components. The item is generally part of a subassembly and cannot be assigned a more definite item name. For items having a complete individual electrical/electronic function, use applicable item name such as amplifier (as modified); power supply; or the like. For items not having a complete individual electrical/electronic function, see applicable subassembly name, such as amplifier subassembly; power supply subassembly; or the like. For an assembly of electrical/electronic components mounted on other than a single printed wiring board, see electronic components assembly. Excludes:printed circuit board
right-hand thread direction, 1.250 inches maximum thread length, hexagon head style, 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
- 1.250 inches maximum
- Fastener Length
- 1.250 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
- End Item Identification
- navigation radio set;airborne mobile dir air spt ct;b-1 support equipment;aircraft elevators;fire pumps;circuit switch;cargo / weapons elevators;jp-5 aviation fuel system;phoenix missile;communications systems; multiple launch rocket system (mlrs)
- Nominal Thread Diameter
- 0.500 inches
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 150000 pounds per square inch
- Hardness Rating
- 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
- Material
- steel overall
- Material Document And Classification
- sae j429 gr 8 assn std single material response overall
- Surface Treatment
- zinc and chromate overall
- Surface Treatment Document And Classification
- astm b633 ty 2 sc 3 assn std single treatment response overall
- Thread Series Designator
- unf
- Nondefinitive Spec/Std Data
- 2 type and 10p style and 8 grade
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-021-3971 | No Name Available | 10/21/1998 |
| 5306-00-150-9301 | Machine Bolt | 07/01/2025 |
| 5305-00-530-9624 | No Name Available | 09/01/1979 |
| 5306-00-543-4796 | Machine Bolt | 07/01/2025 |
| 5305-00-637-0669 | No Name Available | 10/01/1988 |
| 5305-01-082-7070 | No Name Available | 05/01/1985 |
| 5305-01-099-7951 | No Name Available | 05/01/1985 |
| 5306-01-238-7156 | No Name Available | 07/01/1988 |
| 5305-01-415-5526 | No Name Available | 05/01/2001 |
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 |
|---|---|
| 13247-011 | Hexagon Head Cap Screw |
| 18C820 | Hexagon Head Cap Screw |
| 2455012 | Hexagon Head Cap Screw |
| 24C-820 | Hexagon Head Cap Screw |
| 4042-503 | Hexagon Head Cap Screw |
| 500412-12 | Hexagon Head Cap Screw |
| 5305007195219 | Hexagon Head Cap Screw |
| 5305PL0895381 | Hexagon Head Cap Screw |
| 5305PL1426074 | Hexagon Head Cap Screw |
| 71144-111 | Hexagon Head Cap Screw |
| 9424113 | Hexagon Head Cap Screw |
| A200.0229-85 | Hexagon Head Cap Screw |
| A200022985 | Hexagon Head Cap Screw |
| B1821BH050F125N | Hexagon Head Cap Screw |
| MS35290-11 | Hexagon Head Cap Screw |
| MS90726-111 | Hexagon Head Cap Screw |
| MS90727-111 | Hexagon Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-719-5219?
Does the NSN 5305-00-719-5219 have a Schedule B code assigned?
Does NSN 5305-00-719-5219 require demilitarization?
Does NSN 5305-00-719-5219 contain precious materials?
Does NSN 5305-00-719-5219 contain hazardous materials?
When the NSN 5305-00-719-5219 was assigned to the Federal Catalog?
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