The Glass,liquid Sight Indicator,fla, cataloged under National Stock Number 6680-00-581-5699, 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 Dba Jerguson Gage & Valve. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-00-581-5699 |
| Primary Part Number | E255R3PC18 |
| Item Name | Glass,liquid Sight Indicator,fla |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Clark-Reliance Llc Dba Jerguson Gage & Valve |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| E255R3PC18 | Clark-Reliance Llc Dba Jerguson Gage & Valve (USA) |
| E297PC18 | Clark-Reliance Llc Dba Jerguson Gage & Valve (USA) |
| 5AHP | Clark-Reliance Llc Dba Jerguson Gage & Valve (USA) |
| E296PC18 | Clark-Reliance Llc Dba Jerguson Gage & Valve (USA) |
| Reference | Meaning |
|---|---|
| 820-5348739 | 5/1 Secondary reference Naval Sea Systems Command |
| E-240-27 | 5/1 Secondary reference Clark-Reliance Llc Dba Jerguson Gage & Valve |
| 3279607REVAPC19 | 5/1 Secondary reference U.S. Government activity |
| E-228-19 | 5/1 Secondary reference Clark-Reliance Llc Dba Jerguson Gage & Valve |
| E228REVAPC19 | 5/1 Secondary reference Clark-Reliance Llc Dba Jerguson Gage & Valve |
| E279G2-18 | 5/1 Secondary reference Corning Glass Works |
| E-220-19 | 3/1 Design control — primary reference Clark-Reliance Llc Dba Jerguson Gage & Valve |
| E350PC16 | 5/1 Secondary reference Clark-Reliance Llc Dba Jerguson Gage & Valve |
| 3279606REVAPC19 | 5/1 Secondary reference U.S. Government activity |
NSN 6680-00-581-5699 is a Glass,liquid Sight Indicator,fla, manufactured by Clark-Reliance Llc Dba Jerguson Gage & Valve, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-00-581-5699 has 4 manufacturer part numbers on file: E255R3PC18 (Clark-Reliance Llc Dba Jerguson Gage & Valve), E297PC18 (Clark-Reliance Llc Dba Jerguson Gage & Valve), 5AHP (Clark-Reliance Llc Dba Jerguson Gage & Valve), E296PC18 (Clark-Reliance Llc Dba Jerguson Gage & Valve).
Key specifications for E255R3PC18: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. 2 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.
NSN 6680-00-581-5699 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
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.