The Reference Standard,physical Prop, cataloged under National Stock Number 6635-01-661-2425, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Hexagon Manufacturing Intelligence, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Reference Standard,physical Prop |
| FSC / FSG | 6635 — Physical Properties Testing and Inspection (FSG 66) |
| Manufacturers | Hexagon Manufacturing Intelligence, Inc. (CAGE 1WUK4) |
| Parameter | Value |
|---|---|
| NSN | 6635-01-661-2425 |
| Primary Part Number | NCA7-5-20653-01 |
| Item Name | Reference Standard,physical Prop |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Hexagon Manufacturing Intelligence, Inc. |
| 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 |
|---|---|
| NCA7-5-20653-01 PRIMARY | Hexagon Manufacturing Intelligence, Inc. (USA) |
NSN 6635-01-661-2425 is a Reference Standard,physical Prop, manufactured by Hexagon Manufacturing Intelligence, Inc., classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-661-2425 has 1 manufacturer part number on file: NCA7-5-20653-01 (Hexagon Manufacturing Intelligence, Inc.).
Key specifications for NCA7-5-20653-01: Part Name Assigned by Controlling Agency: ROMER PROBE CALIBRATION SPHERE 25MM MM. 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.