The Couplant,ultrasonic Test, cataloged under National Stock Number 6635-01-565-2310, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Echo Ultrasonics Llc Dba Echo Ultrasonics. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6635-01-565-2310 |
| Primary Part Number | EP1-MV |
| Item Name | Couplant,ultrasonic Test |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Echo Ultrasonics Llc Dba Echo Ultrasonics |
| Status | ACTIVE |
| Relationship to Similar Equipment | SUPERIOR REPLACEMENT FOR PROPYLENE GLYCOL,GLYCERINE,HAMICLEAR 712 AND 8307,AND CENTURIAN UC7 |
| Functional Description | SHOULD BE USED WHERE LOW LEVELS OF HALOGENS AND SULFUR ARE CRITICAL AND/OR WHERE SUPERIOR TEMPERATURE RANGE AND VERY SLOW DRYING CHARACTERISTICS ARE DESIRED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| EP1-MV PRIMARY | Echo Ultrasonics Llc Dba Echo Ultrasonics (USA) |
| Reference | Meaning |
|---|---|
| 87-901 | 5/9 Secondary reference Sonotech Inc |
| SONOGLIDE UP GR40 | 5/9 Secondary reference Sonotech Inc |
NSN 6635-01-565-2310 is a Couplant,ultrasonic Test, manufactured by Echo Ultrasonics Llc Dba Echo Ultrasonics, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-565-2310 has 1 manufacturer part number on file: EP1-MV (Echo Ultrasonics Llc Dba Echo Ultrasonics).
Key specifications for EP1-MV: Relationship to Similar Equipment: SUPERIOR REPLACEMENT FOR PROPYLENE GLYCOL,GLYCERINE,HAMICLEAR 712 AND 8307,AND CENTURIAN UC7; Special Features: TEMP RANGE:MINUS 60F TO POS 250F,WATER SOLUBLE,VERY LOW CORROSION POTENTIAL ON TITANIUM,ALUMINUM,STEEL AND ITS ALLOYS; Functional Description: SHOULD BE USED WHERE LOW LEVELS OF HALOGENS AND SULFUR ARE CRITICAL AND/OR WHERE SUPERIOR TEMPERATURE RANGE AND VERY SLOW DRYING CHARACTERISTICS ARE DESIRED; Part Name Assigned by Controlling Agency: SONOGLIDE ULTRA PURE 40. 2 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.