The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-604-7965, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Measurement Specialties Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6680-01-604-7965 |
| Primary Part Number | 120-00021 |
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Measurement Specialties Inc |
| 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 |
|---|---|
| 120-00021 PRIMARY | Measurement Specialties Inc (USA) |
| 437-8217276-002 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H853-2053-002 | 5/2 Secondary reference U.S. Government activity |
| 19-GN-3030 | 5/9 Secondary reference U.S. Government activity |
| 19-GN-3037 | 5/9 Secondary reference U.S. Government activity |
NSN 6680-01-604-7965 is a Indicator,sight,liquid, manufactured by Measurement Specialties Inc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-604-7965 has 2 manufacturer part numbers on file: 120-00021 (Measurement Specialties Inc), 437-8217276-002 (Naval Sea Systems Command).
Key specifications for 120-00021: End Item Identification: MISC INDICATOR. 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.