03A169-4A1
View detailed technical data, stock status, and sourcing information for: 03A169-4A1
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-050-7475
Item Name Code
05280
Assigment Date
11/13/1977 (48 years ago)
0.254 inches minimum nut counterbore diameter, prevailing torque all metal design locking feature, right-hand thread direction, dry film lubricant lubrication, 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
- Counterbore Diameter
- 0.254 inches minimum nut
- Lubrication
- dry film lubricant
- Mounting Hole Diameter
- 0.098 inches minimum and 0.103 inches maximum
- Nut Style
- plate
- Nut Length
- 1.306 inches maximum
- Nut Height
- 0.246 inches maximum
- Plate Thickness
- 0.028 inches minimum and 0.036 inches maximum
- Plate Width
- 0.554 inches nominal
- Removable Nut Manufacturer Code
- 76301
- Nut Counterbore Depth
- 0.070 inches minimum nut
- Nut Mounting Provision
- straight holes
- Mounting Hole Arrangement Style
- 2 holes
- Distance From Aperture Center To Mounting Hole Center
- 0.495 inches minimum and 0.505 inches maximum
- Center To Center Distance Between Mounting Holes Along Length
- 0.310 inches minimum and 0.314 inches maximum
- Removable Nut Manufacturer Part Number
- stm445c4m1
- Thread Series
- unf
- Features Provided
- floating nut
- Thread Quantity Per Inch
- 28
- Nominal Thread Size
- 0.250 inches
- Material
- iron alloy 660 base
- Material
- iron alloy 660 nut
- Material Document And Classification
- ams5525 assn std single material response or ams5735 assn std single material response mounting
- Surface Treatment
- passivate nut
- Specification/Standard Data
- 76301-st3-442 manufacturers standard
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-00-279-4281 | No Name Available | 07/01/1999 |
| 5310-01-109-7491 | No Name Available | 02/01/1992 |
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 |
|---|---|
| 03A169-4A1 | Plate Self-Locking Nut |
| 10122055 | Plate Self-Locking Nut |
| 347575 | Plate Self-Locking Nut |
| 5310PL0741357 | Plate Self-Locking Nut |
| 5310PL1868380 | Plate Self-Locking Nut |
| BFN169-4-1 | Plate Self-Locking Nut |
| F18427L1-4 | Plate Self-Locking Nut |
| F49251E4-1 | Plate Self-Locking Nut |
| F52890-4-1 | Plate Self-Locking Nut |
| NAS1792C4-1 | Plate Self-Locking Nut |
| NRF160C4M-1 | Plate Self-Locking Nut |
| NS202042-048-1 | Plate Self-Locking Nut |
| NS202880-4-1 | Plate Self-Locking Nut |
| ST3M442-4A1 | Plate Self-Locking Nut |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-01-050-7475?
The FSCG of the NSN 5310-01-050-7475 is 5310
Does the NSN 5310-01-050-7475 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-050-7475 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 5310-01-050-7475 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-050-7475 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 5310-01-050-7475 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Sun, Nov 13, 1977
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 Surplus | 504 |
| New Material | 6,773 |
| Total | 7,277 |
Availability of this item was last updated on:
05/04/2026 06:05 PM EDT.
Stock levels and pricing are subject to change.