The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-577-5418, 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 Ernst Flow Industries Llc Div Ernst Flow Industries. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-577-5418 |
| Primary Part Number | EFI 54-A FLANGED 28" CTR TO CTR |
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Ernst Flow Industries Llc Div Ernst Flow Industries |
| Status | ACTIVE |
| End Connection Type | UNABLE TO DECODE |
| Style Designator | DOUBLE-MOUNT, SHIELDED, FRONT OPENING |
| Distance Between Mounting Facility Centers | 28.000 INCHES NOMINAL IN |
| Media for Which Designed | WATER |
| Material | GLASS AND COPPER ALLOY |
| Sight Height | 26.000 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 |
|---|---|
| EFI 54-A FLANGED 28" CTR TO CTR PRIMARY | Ernst Flow Industries Llc Div Ernst Flow Industries (USA) |
NSN 6680-01-577-5418 is a Indicator,sight,liquid, manufactured by Ernst Flow Industries Llc Div Ernst Flow Industries, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-577-5418 has 1 manufacturer part number on file: EFI 54-A FLANGED 28" CTR TO CTR (Ernst Flow Industries Llc Div Ernst Flow Industries).
Key specifications for EFI 54-A FLANGED 28" CTR TO CTR: Overall Height: 6.750 INCHES NOMINAL IN; End Connection Type: UNABLE TO DECODE; Style Designator: DOUBLE-MOUNT, SHIELDED, FRONT OPENING; Overall Length: 31.750 INCHES NOMINAL IN. 6 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.