The Tester,vibration,bearing, cataloged under National Stock Number 6635-01-201-7579, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-01-201-7579 |
| Primary Part Number | SMOOTHRATOR 4 |
| Item Name | Tester,vibration,bearing |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | 12.500 IN. L,11.250 IN. W,4.000 IN. H; SINGLE UNIT W/DWELL AND COUNT METERS 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 |
|---|---|
| IV | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| SMOOTHRATOR 4 PRIMARY | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
NSN 6635-01-201-7579 is a Tester,vibration,bearing, manufactured by Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-201-7579 has 2 manufacturer part numbers on file: IV (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), SMOOTHRATOR 4 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation).
Key specifications for SMOOTHRATOR 4: General Characteristics Item Description: 12.500 IN. L,11.250 IN. W,4.000 IN. H; SINGLE UNIT W/DWELL AND COUNT METERS 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.