B445A
View detailed technical data, stock status, and sourcing information for: B445A
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-189-4407
Item Name Code
01859
Assigment Date
01/01/1961 (65 years ago)
0.615 inches minimum and 0.635 inches maximum nut height, 2b thread class, 0.678 inches minimum and 0.698 inches maximum width across flats, right-hand thread direction, slotted, hexagon nut 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
- 2b
- Thread Direction
- right-hand
- Nut Style
- slotted, hexagon
- Nut Height
- 0.615 inches minimum and 0.635 inches maximum
- Width Across Flats
- 0.678 inches minimum and 0.698 inches maximum
- Thread Series
- unf
- Thread Quantity Per Inch
- 20
- Hardness Rating
- 24.0 rockwell c minimum and 35.0 rockwell c maximum
- Nominal Thread Size
- 0.438 inches
- Countersink Angle
- 90.0 degrees nominal nut
- Bearing Surface Type
- washer faced
- Material
- steel comp 1035 or steel comp 1040 or steel comp 1340 or steel comp 3135 overall
- Material Document And Classification
- sae assn std 1st material response or sae assn std 2nd material response or sae assn std 3rd material response or aisi assn std 4th material response overall
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-00-207-8381 | No Name Available | 01/01/1963 |
| 5310-00-367-4661 | No Name Available | 01/01/1963 |
| 5310-00-533-4694 | No Name Available | 01/01/1963 |
| 2805-00-593-2228 | No Name Available | 01/01/1963 |
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FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-189-4407?
The FSCG of the NSN 5310-00-189-4407 is 5310
Does the NSN 5310-00-189-4407 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-189-4407 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5310-00-189-4407 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-189-4407 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5310-00-189-4407 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961
Professional Distribution
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- AS9120 Quality Standards
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Pricing
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