66787-524
View detailed technical data, stock status, and sourcing information for: 66787-524
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-151-9074
Item Name Code
29729
Assigment Date
05/17/1971 (55 years ago)
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.
0.515 inches maximum washer outside diameter, right-hand thread direction, prevailing torque all metal design locking feature, 0.345 inches minimum and 0.360 inches maximum overall height, 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 all metal design
- Washer Outside Diameter
- 0.515 inches maximum
- Overall Height
- 0.345 inches minimum and 0.360 inches maximum
- Nut Style
- double hexagon
- Washer Thickness
- 0.058 inches minimum and 0.068 inches maximum
- Width Across Flats
- 0.367 inches minimum and 0.376 inches maximum
- Thread Series
- unjf
- Thread Quantity Per Inch
- 24
- Nominal Thread Size
- 0.312 inches
- Material
- nickel alloy overall
- Material Document And Classification
- ams 5709 assn std single material response overall
- Precious Material
- silver
- Surface Treatment
- silver overall
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-00-106-0790 | No Name Available | 09/04/1991 |
| 5310-01-240-2630 | No Name Available | 07/01/1998 |
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 |
|---|---|
| 5310PL0803447 | Extended Washer Self-Locking Nut |
| 66787-524 | Extended Washer Self-Locking Nut |
| 9610M50P03 | Extended Washer Self-Locking Nut |
| 9610M50P21 | Extended Washer Self-Locking Nut |
| 9610M50P30 | Extended Washer Self-Locking Nut |
| BH00184-5 | Extended Washer Self-Locking Nut |
| H29412-5 | Extended Washer Self-Locking Nut |
| LH8155-054 | Extended Washer Self-Locking Nut |
| VN439-054 | Extended Washer Self-Locking Nut |
| VN439W054 | Extended Washer Self-Locking Nut |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-151-9074?
The FSCG of the NSN 5310-00-151-9074 is 5310
Does the NSN 5310-00-151-9074 have a Schedule B code assigned?
Yes, the Schedule B code is 7508900000
Does NSN 5310-00-151-9074 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 5310-00-151-9074 contain precious materials?
Item contains silver.
Does NSN 5310-00-151-9074 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 5310-00-151-9074 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Mon, May 17, 1971
Professional Distribution
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- HAZMAT Certified
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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 | 19,422 |
| New Surplus | 519 |
| Overhauled | 1 |
| As Removed | 16 |
| Total | 19,958 |
Availability of this item was last updated on:
06/10/2026 03:06 PM EDT.
Stock levels and pricing are subject to change.