The Indicator,liquid Quantity, cataloged under National Stock Number 6680-01-655-3257, 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 Birdon America Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Indicator,liquid Quantity |
| FSC / FSG | 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments (FSG 66) |
| Manufacturers | Birdon America Inc (CAGE 6KT72) |
| Parameter | Value |
|---|---|
| NSN | 6680-01-655-3257 |
| Primary Part Number | DCSFL |
| Item Name | Indicator,liquid Quantity |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Birdon America 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 |
|---|---|
| DCSFL PRIMARY | Birdon America Inc (USA) |
| Reference | Meaning |
|---|---|
| 12594996 | D/9 Drawing number reference only Birdon America Inc |
NSN 6680-01-655-3257 is a Indicator,liquid Quantity, manufactured by Birdon America Inc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-655-3257 has 1 manufacturer part number on file: DCSFL (Birdon America Inc).
1 possible match (shared part number, not a government interchangeability claim): 6695-01-655-4580. 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.