The Lamp Board Assembly, cataloged under National Stock Number 6645-01-191-9076, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Waltham Aircraft Clock Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Lamp Board Assembly |
| FSC / FSG | 6645 — Time Measuring Instruments (FSG 66) |
| Manufacturers | Waltham Aircraft Clock Corp (CAGE 0Y4A4) |
| Parameter | Value |
|---|---|
| NSN | 6645-01-191-9076 |
| Primary Part Number | 201037 |
| Item Name | Lamp Board Assembly |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Waltham Aircraft Clock Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 201037 PRIMARY | Waltham Aircraft Clock Corp (USA) |
| Reference | Meaning |
|---|---|
| 201037 | 5/9 Secondary reference Waltham Clock Co Inc |
NSN 6645-01-191-9076 is a Lamp Board Assembly, manufactured by Waltham Aircraft Clock Corp, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-191-9076 has 1 manufacturer part number on file: 201037 (Waltham Aircraft Clock Corp).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-247-1001. Verify interchangeability with system specifications before substitution.
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.