12Z2007-205
View detailed technical data, stock status, and sourcing information for: 12Z2007-205
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-497-3891
Item Name Code
05277
Assigment Date
01/01/1963 (63 years ago)
A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.
hexagon nut style, right-hand thread direction, 0.453 inches nominal nut height, prevailing torque with nonmetallic insert locking feature, 3b 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
- 3b
- Thread Direction
- right-hand
- Locking Feature
- prevailing torque with nonmetallic insert
- Nut Style
- hexagon
- Nut Height
- 0.453 inches nominal
- Width Across Flats
- 0.625 inches nominal
- Temp Rating
- 250.0 fahrenheit nominal
- Thread Series
- unf
- Thread Quantity Per Inch
- 20
- Nominal Thread Size
- 0.438 inches
- Bearing Surface Type
- flat
- Material
- steel overall
- Surface Treatment
- cadmium or zinc overall
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-00-262-6370 | No Name Available | 01/01/1961 |
| 5310-00-297-2541 | No Name Available | 08/01/1985 |
| 5310-00-576-1004 | No Name Available | 01/01/1963 |
| 5310-00-834-3510 | No Name Available | 01/01/1960 |
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 |
|---|---|
| 1137-720 | Hexagon Self-Locking Nut |
| 12Z2007-205 | Hexagon Self-Locking Nut |
| 52NE070 | Hexagon Self-Locking Nut |
| 67MAP1 | Hexagon Self-Locking Nut |
| 69509-46 | Hexagon Self-Locking Nut |
| A22301-7 | Hexagon Self-Locking Nut |
| AN365-720A | Hexagon Self-Locking Nut |
| C-328 | Hexagon Self-Locking Nut |
| MEP-00010120 | Hexagon Self-Locking Nut |
| MS20365-720A | Hexagon Self-Locking Nut |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-497-3891?
The FSCG of the NSN 5310-00-497-3891 is 5310
Does the NSN 5310-00-497-3891 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-497-3891 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 5310-00-497-3891 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-497-3891 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 5310-00-497-3891 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963
Professional Distribution
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Pricing
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In Stock
This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.
| New Material | 13,747 |
| New Surplus | 492 |
| As Removed | 1 |
| Serviceable | 1 |
| Total | 14,241 |
Availability of this item was last updated on:
01/21/2026 03:01 AM EST.
Stock levels and pricing are subject to change.