The Bearing,compressor, cataloged under National Stock Number 3110-00-978-7253, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Johnson Controls Navy Systems, Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-978-7253 |
| Primary Part Number | 064-20643-000 |
| Item Name | Bearing,compressor |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Johnson Controls Navy Systems, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | A1,O/A DIA 3.997 IN. MIN TO 3.999 IN. MAX 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 |
|---|---|
| 064-20643-000 PRIMARY | Johnson Controls Navy Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 064-20643B | 5/9 Secondary reference Johnson Controls Navy Systems, Llc |
NSN 3110-00-978-7253 is a Bearing,compressor, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-978-7253 has 1 manufacturer part number on file: 064-20643-000 (Johnson Controls Navy Systems, Llc).
Key specifications for 064-20643-000: General Characteristics Item Description: A1,O/A DIA 3.997 IN. MIN TO 3.999 IN. MAX IN. 1 specification is 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.