The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-237-0084, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 8 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-237-0084 |
| Primary Part Number | 4058197 |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Inner Member Width | 0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| Outer Member Width | 0.3220 INCHES MINIMUM AND 0.3320 INCHES MAXIMUM IN |
| Static Radial Load Rating | 5500 POUNDS LBS |
| Bore Diameter | 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C INNER MEMBER |
| Material | STEEL COMP 630 OUTER RACE MEMBER |
| Material | PLASTIC POLYAMIDE NYLON RACE LINER |
| Outer Member Outside Diameter | 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3120-01-237-0084 is a Bearing,plain,self-Aligning, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-237-0084 has 4 manufacturer part numbers on file: 4058197 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4058197 (Kamatics Corporation), 4058197 (U S Bearings), 4058197 (Airtronics, Llc).
1 possible match (shared part number, not a government interchangeability claim): 2910-01-522-8329. Verify interchangeability with system specifications before substitution.
Key specifications for 4058197: Inner Member Width: 0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN; Outer Member Width: 0.3220 INCHES MINIMUM AND 0.3320 INCHES MAXIMUM IN; Static Radial Load Rating: 5500 POUNDS LBS; Bore Diameter: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN. 8 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 3120-01-237-0084 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.