The Extensometer, cataloged under National Stock Number 6635-01-540-6191, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is National Instruments Corp. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-01-540-6191 |
| Primary Part Number | NI SCXI-1520 |
| Item Name | Extensometer |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | National Instruments 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 |
|---|---|
| 372583D-01 | National Instruments Corp (USA) |
| NI SCXI-1520 PRIMARY | National Instruments Corp (USA) |
| SCXI-1520 | National Instruments Corp (USA) |
| 777966-20 | National Instruments Corp (USA) |
NSN 6635-01-540-6191 is a Extensometer, manufactured by National Instruments Corp, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-540-6191 has 4 manufacturer part numbers on file: 372583D-01 (National Instruments Corp), NI SCXI-1520 (National Instruments Corp), SCXI-1520 (National Instruments Corp), 777966-20 (National Instruments Corp).
Key specifications for NI SCXI-1520: Special Features: 8 ANALOG INPUT CHANNELS; PROGRAMMABLE EXCITATION/GAIN/4 POLE FILTER; 2 SHUNT CALIBRATION CIRCUITS PER CHANNEL; RANDOM SCAN; REMOTE SENSING; UNIVERSAL STRAIN GAUGE INPUT MODULE; INCLUDES CALIBRATION CERTIFICATE; CONSTANT VOLTAGE; LGTH 8.000 IN; WIDTH 6.900 IN; HT 1.200 IN; NOMINAL RANGE 0.100/10.000VAC VAC. 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.