The Reference Standard,physical Prop, cataloged under National Stock Number 6635-01-522-5880, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-01-522-5880 |
| Item Name | Reference Standard,physical Prop |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Status | ACTIVE |
| General Characteristics Item Description | USED TO ESTABLISH CALIBRATION OF THE BASELINE THAT REPRESENTS THE MATERIAL THICKNESS BEING INSPECTED |
| Reference Data and Literature | 1C-17A-36 A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 17G110627-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6635-01-522-5880 is a Reference Standard,physical Prop, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
Key specifications for 6635-01-522-5880: Overall Height: 1.000 INCHES NOMINAL IN; General Characteristics Item Description: USED TO ESTABLISH CALIBRATION OF THE BASELINE THAT REPRESENTS THE MATERIAL THICKNESS BEING INSPECTED; Reference Data and Literature: 1C-17A-36 A; Overall Length: 14.000 INCHES NOMINAL IN. 2 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.