The Halogen Leak Standa, cataloged under National Stock Number 4940-00-873-6683, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Yokogawa Corporation of America. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Halogen Leak Standa |
| FSC / FSG | 4940 — Miscellaneous Maintenance and Repair Shop Specialized Equipment (FSG 49) |
| Manufacturers | General Electric Company (CAGE 24446); Yokogawa Corporation of America (CAGE 60336) |
| Parameter | Value |
|---|---|
| NSN | 4940-00-873-6683 |
| Primary Part Number | 420701AAAU |
| Item Name | Halogen Leak Standa |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Yokogawa Corporation of America |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| LS20 | General Electric Company (USA) |
| 420701AAAU PRIMARY | Yokogawa Corporation of America (USA) |
| Reference | Meaning |
|---|---|
| LS20 | 5/2 Secondary reference U.S. Government activity |
| 50-420701AAAU | 3/2 Design control — primary reference U.S. Government activity |
NSN 4940-00-873-6683 is a Halogen Leak Standa, manufactured by Yokogawa Corporation of America, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-00-873-6683 has 2 manufacturer part numbers on file: LS20 (General Electric Company), 420701AAAU (Yokogawa Corporation of America).
2 possible matches (shared part number, not a government interchangeability claim): 5342-01-212-5969, 4730-01-328-6166. 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.
NSN 4940-00-873-6683 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.