The Bearing,plain,rod End, cataloged under National Stock Number 3120-00-252-2355, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rbc Transport Dynamics Corp Div Rbc Transport Dynamics. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-252-2355 |
| Primary Part Number | 206-001-057-3 |
| Item Name | Bearing,plain,rod End |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics |
| Status | ACTIVE |
| Shank Thread Length | 0.4930 INCHES MINIMUM AND 0.5280 INCHES MAXIMUM IN |
| Bore Center to Shank End Distance | 1.3980 INCHES MINIMUM AND 1.4280 INCHES MAXIMUM IN |
| Inner Member Width | 0.4250 INCHES MINIMUM AND 0.4300 INCHES MAXIMUM IN |
| Hardness Rating | 57.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM INNER MEMBER |
| Hardness Rating | 26.0 ROCKWELL C NOMINAL ROD END BODY |
| Outer Member Width | 0.3020 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED BALL TYPE |
| Shank End to Shoulder Length | 0.4550 INCHES MINIMUM AND 0.4850 INCHES MAXIMUM IN |
| Thread Diameter | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE INNER MEMBER |
| Material Document and Classification | 206-001-057-3,97499 MFR REF SINGLE MATERIAL RESPONSE RACE LINER |
| Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE INTERNAL ROD END BODY |
| Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE RACE INSERT |
| Thread Direction | RIGHT-HAND |
| Shank Style | EXTERNALLY THREADED |
| Surface Treatment | CADMIUM ROD END BODY |
| Surface Treatment | CHROMIUM INNER MEMBER |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Static Radial Load Rating | 1800 POUNDS LBS |
| Bore Diameter | 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Material | STEEL INNER MEMBER |
| Material | PLASTIC TETRAFLUOROETHYLENE RACE LINER |
| Material | STEEL RACE INSERT |
| Material | STEEL INTERNAL ROD END BODY |
| Thread Series Designator | UNF |
| Outer Member Outside Diameter | 0.8020 INCHES MINIMUM AND 0.8220 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 206-001-057-3 PRIMARY | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| 206-001-057-3 PRIMARY | U S Bearings (USA) |
| Reference | Meaning |
|---|---|
| 177293 | 5/1 Secondary reference Rbc Transport Dynamics Corp Div Rbc Transport Dynamics |
| 206-001-057-3 | 3/2 Design control — primary reference U.S. Government activity |
| 206-001-057-3 | 1/2 Source control — Government-approved source U.S. Government activity |
| REM4TH16-2 | 5/1 Secondary reference U.S. Government activity |
NSN 3120-00-252-2355 is a Bearing,plain,rod End, manufactured by Rbc Transport Dynamics Corp Div Rbc Transport Dynamics, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-252-2355 has 2 manufacturer part numbers on file: 206-001-057-3 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), 206-001-057-3 (U S Bearings).
2 possible matches (shared part number, not a government interchangeability claim): 5935-01-010-8378, 4730-01-143-4442. Verify interchangeability with system specifications before substitution.
Key specifications for 206-001-057-3: Shank Thread Length: 0.4930 INCHES MINIMUM AND 0.5280 INCHES MAXIMUM IN; Bore Center to Shank End Distance: 1.3980 INCHES MINIMUM AND 1.4280 INCHES MAXIMUM IN; Inner Member Width: 0.4250 INCHES MINIMUM AND 0.4300 INCHES MAXIMUM IN; Hardness Rating: 57.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM INNER MEMBER. 27 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.