The Bearing Unit,plain, cataloged under National Stock Number 3130-01-295-1108, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Rbc Transport Dynamics Corp Div Rbc Transport Dynamics. Government technical data includes 14 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-295-1108 |
| Primary Part Number | 74B418000-103 |
| Item Name | Bearing Unit,plain |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Surface Treatment Document and Classification | PS13001 MFR REF SINGLE TREATMENT RESPONSE HOUSING |
| Material Document and Classification | AMS 5659,CONDITION H1025 ASSN STD SINGLE MATERIAL RESPONSE HOUSING |
| Material Document and Classification | ASTM B196 ASSN STD SINGLE MATERIAL RESPONSE BEARING |
| Overall Outside Diameter | 4.0000 INCHES NOMINAL IN |
| Alignment Type | SELF-ALIGNING |
| Shaft End Type | OPEN |
| Surface Treatment | PASSIVATE HOUSING |
| Bore Diameter | 1.8750 INCHES MINIMUM AND 1.8760 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 173 BEARING |
| Material | STEEL COMP XM-12 HOUSING |
| Housing Diameter | 3.1795 INCHES MINIMUM AND 3.1805 INCHES MAXIMUM IN |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Load Capability Type | RADIAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 74B418000-103 PRIMARY | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| 74B418000-103 | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| 74B418000-103 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 74B418000-103 | Rexnord Industries, Llc Dba Psi Bearings Div Psi Bearings (USA) |
| Reference | Meaning |
|---|---|
| 10110470 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 3130PL0632703 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 178626 | 3/1 Design control — primary reference Rbc Transport Dynamics Corp Div Rbc Transport Dynamics |
| 74B418000-103 | 5/9 Secondary reference U.S. Government activity |
| 74B418000-103 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 74B418000-103 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| VTB07190 | 5/1 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| KMB30-8 | 5/9 Secondary reference U.S. Government activity |
| P21870 | 5/1 Secondary reference Rexnord Industries, Llc Dba Psi Bearings Div Psi Bearings |
| ASB30-13 | 5/1 Secondary reference New Hampshire Ball Bearings Inc Div Astro Division |
NSN 3130-01-295-1108 is a Bearing Unit,plain, manufactured by Rbc Transport Dynamics Corp Div Rbc Transport Dynamics, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-295-1108 has 4 manufacturer part numbers on file: 74B418000-103 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), 74B418000-103 (New Hampshire Ball Bearings Inc Div Astro Division), 74B418000-103 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 74B418000-103 (Rexnord Industries, Llc Dba Psi Bearings Div Psi Bearings).
Key specifications for 74B418000-103: Lubrication Material: GREASE; Surface Treatment Document and Classification: PS13001 MFR REF SINGLE TREATMENT RESPONSE HOUSING; Material Document and Classification: AMS 5659,CONDITION H1025 ASSN STD SINGLE MATERIAL RESPONSE HOUSING; Material Document and Classification: ASTM B196 ASSN STD SINGLE MATERIAL RESPONSE BEARING. 14 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.