The Sensor,white Light, cataloged under National Stock Number 6635-01-339-9221, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Gould & Bass Company, Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-01-339-9221 |
| Primary Part Number | N410401001 |
| Item Name | Sensor,white Light |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Gould & Bass Company, Inc. |
| Status | ACTIVE |
| FSC Application Data | METER,BLACK LIGHT,6635-01-289-0180 |
| General Characteristics Item Description | VISIBLE WHITE LIGHT SENSOR; SENSOR HEAD: 2.800 IN. LG; 2.000 IN W; 0.700 IN. H IN |
| 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 |
|---|---|
| N410401001 PRIMARY | Gould & Bass Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| N410401001 | 5/9 Secondary reference Chemetall Oakite Inc |
| 410401001 | 5/9 Secondary reference Gould & Bass Company, Inc. |
| N410401001 | 5/9 Secondary reference Brent America, Inc |
NSN 6635-01-339-9221 is a Sensor,white Light, manufactured by Gould & Bass Company, Inc., classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-339-9221 has 1 manufacturer part number on file: N410401001 (Gould & Bass Company, Inc.).
Key specifications for N410401001: FSC Application Data: METER,BLACK LIGHT,6635-01-289-0180; General Characteristics Item Description: VISIBLE WHITE LIGHT SENSOR; SENSOR HEAD: 2.800 IN. LG; 2.000 IN W; 0.700 IN. H IN; End Item Identification: TEST KIT,PENETRANT,6635-01-327-4460. 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.