The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-087-9397, 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 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-087-9397 |
| Primary Part Number | 4049T74P01 |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Kamatics Corporation |
| Status | ACTIVE |
| Inner Member Width | 0.3410 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM IN |
| Hardness Rating | 55.0 ROCKWELL C NOMINAL INNER MEMBER |
| Outer Member Width | 0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN |
| Style Designator | WITH INSERT AND/OR LINER |
| Static Radial Load Rating | 4000 POUNDS LBS |
| Bore Diameter | 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Material | PLASTIC RACE INSERT |
| Material | STEEL COMP 440C INNER MEMBER |
| Material | STEEL COMP 630 OUTER RACE MEMBER |
| Outer Member Outside Diameter | 0.6557 INCHES MINIMUM AND 0.6562 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 |
|---|---|
| 4049T74P01 PRIMARY | Kamatics Corporation (USA) |
| Reference | Meaning |
|---|---|
| 4049T74P01 | 1/2 Source control — Government-approved source U.S. Government activity |
| KR4-CN | 5/1 Secondary reference Kamatics Corporation |
NSN 3120-01-087-9397 is a Bearing,plain,self-Aligning, manufactured by Kamatics Corporation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-087-9397 has 1 manufacturer part number on file: 4049T74P01 (Kamatics Corporation).
Key specifications for 4049T74P01: Inner Member Width: 0.3410 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM IN; Hardness Rating: 55.0 ROCKWELL C NOMINAL INNER MEMBER; Outer Member Width: 0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN; Style Designator: WITH INSERT AND/OR LINER. 10 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.