The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-486-3331, 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 Clark-Reliance Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments (FSG 66) |
| Manufacturers | Clark-Reliance Llc (CAGE 007F8) |
| Parameter | Value |
|---|---|
| NSN | 6680-01-486-3331 |
| Primary Part Number | JMS-8453 |
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Clark-Reliance Llc |
| 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 |
|---|---|
| JMS-8453 PRIMARY | Clark-Reliance Llc (USA) |
| Reference | Meaning |
|---|---|
| JMS-8453 | 5/9 Secondary reference Clark-Reliance Llc Dba Jerguson Gage & Valve |
| IC-6493 | D/9 Drawing number reference only Clark-Reliance Llc Dba Jerguson Gage & Valve |
NSN 6680-01-486-3331 is a Indicator,sight,liquid, manufactured by Clark-Reliance Llc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-486-3331 has 1 manufacturer part number on file: JMS-8453 (Clark-Reliance Llc).
3 possible matches (shared part number, not a government interchangeability claim): 6680-01-486-3357, 6680-01-486-3476, 6680-01-486-3674. 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.