The Bearing,sleeve, cataloged under National Stock Number 3120-01-505-1237, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rexnord Industries, Llc Div Aerosspace Bearing Operation. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 — Bearings, Plain, Unmounted (FSG 31) |
| Manufacturers | Rexnord Industries, Llc Div Aerosspace Bearing Operation (CAGE 77896); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 3120-01-505-1237 |
| Primary Part Number | 501-8510-024 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Rexnord Industries, Llc Div Aerosspace Bearing Operation |
| Status | ACTIVE |
| 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 |
|---|---|
| 501-8510-024 PRIMARY | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
| 596-7409747-31 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 596-7409747 | D/9 Drawing number reference only Naval Sea Systems Command |
| B831-6400-31 | 5/2 Secondary reference U.S. Government activity |
NSN 3120-01-505-1237 is a Bearing,sleeve, manufactured by Rexnord Industries, Llc Div Aerosspace Bearing Operation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-505-1237 has 2 manufacturer part numbers on file: 501-8510-024 (Rexnord Industries, Llc Div Aerosspace Bearing Operation), 596-7409747-31 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-505-3387. Verify interchangeability with system specifications before substitution.
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.