The Spotmeter, cataloged under National Stock Number 6650-01-284-0175, is classified within Federal Supply Class 6650 (Optical Instruments, Test Equipment, Components and Accessories) of the Instruments and Laboratory Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6650-01-284-0175 |
| Item Name | Spotmeter |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Status | ACTIVE |
| General Characteristics Item Description | 6-POSITION FILTER TURRET; APERTURE MIRROR; PHOTOMULTIPLIER DETECTOR; RED AND BLUE FILTERS; SOLID STATE CIR-CUITRY AND READOUT; HOLD BUTTON TO RETAIN TRANSIENT METER READINGS; 100 PCT ALIGNMENT ACCURACY AND ZERO POLARIZATION ERROR; FULL-SCALE SENSITIVITY DOWN TO 0.01 FOOT-LAMBERTS OR 0.1 CD/M; MEASURING FIELD DOWN TO 0.009 IN DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| PR1502-OPT3 | 3/9 Design control — primary reference U.S. Government activity |
NSN 6650-01-284-0175 is a Spotmeter, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
Key specifications for 6650-01-284-0175: General Characteristics Item Description: 6-POSITION FILTER TURRET; APERTURE MIRROR; PHOTOMULTIPLIER DETECTOR; RED AND BLUE FILTERS; SOLID STATE CIR-CUITRY AND READOUT; HOLD BUTTON TO RETAIN TRANSIENT METER READINGS; 100 PCT ALIGNMENT ACCURACY AND ZERO POLARIZATION ERROR; FULL-SCALE SENSITIVITY DOWN TO 0.01 FOOT-LAMBERTS OR 0.1 CD/M; MEASURING FIELD DOWN TO 0.009 IN DIA 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.
NSN 6650-01-284-0175 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.