3120-00-781-4737
Find complete technical information, availability, and procurement data for: 3120-00-781-4737
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Federal Supply Group
Bearings
Federal Supply Classification
3120 Unmounted Plain Bearings
National Stock Number
3120-00-781-4737
Item Name Code
13209
Assigment Date
01/01/1960 (66 years ago)
3a thread class, 2.8595 inches minimum and 2.8895 inches maximum overall length, right-hand thread direction, 0.3745 inches minimum and 0.3750 inches maximum bore diameter, externally threaded shank 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
- 3a
- Thread Direction
- right-hand
- Shank Style
- externally threaded
- Overall Length
- 2.8595 inches minimum and 2.8895 inches maximum
- Bore Diameter
- 0.3745 inches minimum and 0.3750 inches maximum
- Outer Member Outside Diameter
- 1.1150 inches minimum and 1.1350 inches maximum
- Bore Center To Shank End Distance
- 2.3020 inches minimum and 2.3220 inches maximum
- Outer Member Width
- 0.3700 inches minimum and 0.3800 inches maximum
- Inner Member Width
- 0.4950 inches minimum and 0.5000 inches maximum
- Shank Thread Length
- 1.3440 inches minimum and 1.4380 inches maximum
- Static Radial Load Rating
- 10140 pounds
- Thread Diameter
- 0.438 inches nominal
- Thread Quantity Per Inch
- 20
- Hardness Rating
- 36.0 rockwell c minimum and 42.0 rockwell c maximum rod end body
- Hardness Rating
- 55.0 rockwell c minimum and 62.0 rockwell c maximum inner member
- Hardness Rating
- 23.0 rockwell c minimum and 35.0 rockwell c maximum race insert
- Special Features
- keyway in shank
- Material
- plastic polytetrafluoroethylene race liner
- Material
- steel comp 440c inner member
- Material
- steel comp 630 race insert
- Material
- steel comp 630 rod end body
- Surface Treatment
- chromium inner member
- Style Designator
- ball type
- Test Data Document
- "81349-mil-i-6866 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
- Thread Series Designator
- unf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 3120-00-412-3454 | No Name Available | 06/01/2007 |
| 3120-00-870-0158 | No Name Available | 11/01/1989 |
| 3120-00-876-8796 | No Name Available | 12/19/1973 |
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 |
|---|---|
| 50E06-100W | Rod End Plain Bearing |
| 77284 | Rod End Plain Bearing |
| ARHT6E4 | Rod End Plain Bearing |
| DREMS6-080 | Rod End Plain Bearing |
| DREMS6-085 | Rod End Plain Bearing |
| KBNE6-200W | Rod End Plain Bearing |
| MSSJKR-6 | Rod End Plain Bearing |
| MSSJKV-6 | Rod End Plain Bearing |
| STSKG200T006 | Rod End Plain Bearing |
| TFM106N | Rod End Plain Bearing |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 3120-00-781-4737?
The FSCG of the NSN 3120-00-781-4737 is 3120
Does the NSN 3120-00-781-4737 have a Schedule B code assigned?
Yes, the Schedule B code is 8483308055
Does NSN 3120-00-781-4737 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 3120-00-781-4737 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-781-4737 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 3120-00-781-4737 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960
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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 | 5 |
| As Removed | 1 |
| New Material | 2 |
| Total | 8 |
Availability of this item was last updated on:
05/25/2026 08:05 PM EDT.
Stock levels and pricing are subject to change.