The Tensiometer, cataloged under National Stock Number 6635-01-417-3475, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Optibelt Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-01-417-3475 |
| Primary Part Number | OPTIKRIK |
| Item Name | Tensiometer |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Optibelt Corp |
| 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 |
|---|---|
| OPTIKRIK | Optibelt Corp (USA) |
| Reference | Meaning |
|---|---|
| OPTIKRIK | 3/9 Design control — primary reference Bartlett Bearing Company, Inc. |
| OPTIBELT 1 | 5/9 Secondary reference Optibelt Corp |
| OPTIBELT I | C/1 Advisory reference — outside the item-of-supply concept Bartlett Bearing Company, Inc. |
| OPTIBELT 1 | 5/9 Secondary reference Bartlett Bearing Company, Inc. |
NSN 6635-01-417-3475 is a Tensiometer, manufactured by Optibelt Corp, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-417-3475 has 1 manufacturer part number on file: OPTIKRIK (Optibelt Corp).
Key specifications for OPTIKRIK: Special Features: USED FOR TENSION FROM 30LBS TO 160LBS(150 NEWTON TO 700 NEWTON;HAS FLANGE AT THE BOTTOM OF GAUGE LBS; End Item Identification: ARLEIGH BURKE CLASS DDG;DISTILLATION. 0 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.