The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-518-5107, 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 13 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3120-00-518-5107 |
| Primary Part Number | 176508 |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics |
| Status | CANCELLED |
| Surface Treatment Document and Classification | QQ-C-320 CL 2 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER |
| Inner Member Width | 0.8180 INCHES MINIMUM AND 0.8200 INCHES MAXIMUM IN |
| Outer Member Width | 0.5000 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN |
| Style Designator | WITH INSERT AND/OR LINER |
| Material Document and Classification | MIL-L-46010 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION |
| Material Document and Classification | ASTM A580 ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER |
| Surface Treatment | CHROMIUM INNER MEMBER |
| Static Radial Load Rating | 24100 POUNDS LBS |
| Bore Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Material | LUBRICANT DRY FILM LUBRICATION |
| Material | STEEL COMP 440C INNER MEMBER |
| Material | STEEL COMP 410 OUTER RACE MEMBER |
| Outer Member Outside Diameter | 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| LHSSE826A | Roller Bearing Company of America, Inc. (USA) |
| 176508 PRIMARY | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| 47613-28 PRIMARY | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
| LDS08E-518 PRIMARY | Rbc Specline Inc Dba Specline Inc (USA) |
| Reference | Meaning |
|---|---|
| TFA108W | 5/1 Secondary reference Rexnord Industries, Llc Div Aerosspace Bearing Operation |
NSN 3120-00-518-5107 is a Bearing,plain,self-Aligning, manufactured by Rbc Transport Dynamics Corp Div Rbc Transport Dynamics, classified under FSC 3120, Bearings, Plain, Unmounted. Status: cancelled.
NSN 3120-00-518-5107 has 4 manufacturer part numbers on file: LHSSE826A (Roller Bearing Company of America, Inc.), 176508 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), 47613-28 (Rexnord Industries, Llc Div Aerosspace Bearing Operation), LDS08E-518 (Rbc Specline Inc Dba Specline Inc).
2 possible matches (shared part number, not a government interchangeability claim): 3120-00-945-4120, 3010-01-508-3967. Verify interchangeability with system specifications before substitution.
Key specifications for 176508: Surface Treatment Document and Classification: QQ-C-320 CL 2 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER; Inner Member Width: 0.8180 INCHES MINIMUM AND 0.8200 INCHES MAXIMUM IN; Outer Member Width: 0.5000 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN; Style Designator: WITH INSERT AND/OR LINER. 13 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.
NSN 3120-00-518-5107 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
NSN 3120-00-518-5107 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.