The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-595-9980, 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 Greenfield World Trade Inc Div Greenfield World Trade Inc D/b/a Legion Industries. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-595-9980 |
| Primary Part Number | 454012 |
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Greenfield World Trade Inc Div Greenfield World Trade Inc D/b/a Legion Industries |
| Status | ACTIVE |
| Width Across Flats | 1.000 INCHES NOMINAL IN |
| End Connection Type | UNABLE TO DECODE |
| Style Designator | BULLS EYE, HI-TEMP/HIGH PRESSURE |
| Media for Which Designed | OIL |
| Sight Diameter | 0.594 INCHES NOMINAL 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 |
|---|---|
| 454012 | Greenfield World Trade Inc Div Greenfield World Trade Inc D/b/a Legion Industries (USA) |
| Reference | Meaning |
|---|---|
| 454012 | 5/9 Secondary reference Heritage Food Service Group, Inc. |
| OG540S12 | 3/9 Design control — primary reference Essex Brass Corporation |
NSN 6680-01-595-9980 is a Indicator,sight,liquid, manufactured by Greenfield World Trade Inc Div Greenfield World Trade Inc D/b/a Legion Industries, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-595-9980 has 1 manufacturer part number on file: 454012 (Greenfield World Trade Inc Div Greenfield World Trade Inc D/b/a Legion Industries).
Key specifications for 454012: Overall Height: 1.000 INCHES NOMINAL IN; Width Across Flats: 1.000 INCHES NOMINAL IN; End Connection Type: UNABLE TO DECODE; Style Designator: BULLS EYE, HI-TEMP/HIGH PRESSURE. 5 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.