The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-102-6512, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Kamatics Corporation. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-102-6512 |
| Primary Part Number | 4045T27P01 |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Kamatics Corporation |
| Status | ACTIVE |
| Inner Member Width | 0.2790 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN |
| 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 OUTER RACE MEMBER |
| Outer Member Width | 0.2130 INCHES MINIMUM AND 0.2230 INCHES MAXIMUM IN |
| Style Designator | WITH INSERT AND/OR LINER WITH STAKING GROOVE |
| Material Document and Classification | 992074045T27+01 MFR REF SINGLE MATERIAL RESPONSE RACE LINER |
| Material Document and Classification | AMS5630 MIL STD SINGLE MATERIAL RESPONSE INNER MEMBER |
| Material Document and Classification | AMS5643 MIL STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER |
| Bore Diameter | 0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN |
| Material | STEEL INNER MEMBER |
| Material | STEEL OUTER RACE MEMBER |
| Material | PLASTIC, POLYETHYLENE (PP) RACE LINER |
| Outer Member Outside Diameter | 0.5620 INCHES MINIMUM AND 0.5625 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 |
|---|---|
| 4045T27P01 PRIMARY | Kamatics Corporation (USA) |
| 4045T27P02 PRIMARY | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| 4045T27P04 PRIMARY | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| Reference | Meaning |
|---|---|
| 03-413-03E-015 | 5/1 Secondary reference Rbc Transport Dynamics Corp Div Rbc Transport Dynamics |
| 4045T27P02 | 5/2 Secondary reference U.S. Government activity |
| 4045T27 | 1/2 Source control — Government-approved source U.S. Government activity |
| 4045T27P04 | 5/2 Secondary reference U.S. Government activity |
| ADB3V54 | 5/1 Secondary reference New Hampshire Ball Bearings Inc Div Astro Division |
| 4045T27P01 | 5/2 Secondary reference U.S. Government activity |
| KR3-CNG-002 | 5/1 Secondary reference Kamatics Corporation |
NSN 3120-01-102-6512 is a Bearing,plain,self-Aligning, manufactured by Kamatics Corporation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-102-6512 has 3 manufacturer part numbers on file: 4045T27P01 (Kamatics Corporation), 4045T27P02 (New Hampshire Ball Bearings Inc Div Astro Division), 4045T27P04 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics).
Key specifications for 4045T27P01: Inner Member Width: 0.2790 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN; 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 OUTER RACE MEMBER; Outer Member Width: 0.2130 INCHES MINIMUM AND 0.2230 INCHES MAXIMUM IN. 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.
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.