The Ultrasonic Couplant, cataloged under National Stock Number 6850-01-157-4348, is classified within Federal Supply Class 6850 (No Item Name Available) of the Chemicals and Chemical Products group. The primary manufacturer of record is Sonotech Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6850-01-157-4348 |
| Primary Part Number | 25-901 |
| Item Name | Ultrasonic Couplant |
| FSC / FSG | 6850 / 68 — No Item Name Available |
| Manufacturer | Sonotech Inc |
| Status | ACTIVE |
| Color | BLUE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ULTRAGEL II | Echo Ultrasound Inc (USA) |
| 6850PL1391394 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| SOUNDSAFE | Sonotech Inc (USA) |
| 6850PL1665198 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 25-901 PRIMARY | Sonotech Inc (USA) |
| ULTRAGEL II | Sonotech Inc (USA) |
NSN 6850-01-157-4348 is a Ultrasonic Couplant, manufactured by Sonotech Inc, classified under FSC 6850 (No Item Name Available). Status: active.
NSN 6850-01-157-4348 has 6 cross-referenced part numbers: ULTRAGEL II (Echo Ultrasound Inc), 6850PL1391394 (Jednolity Indeks Materialowy - Uniform Material Index), SOUNDSAFE (Sonotech Inc), 6850PL1665198 (Jednolity Indeks Materialowy - Uniform Material Index), 25-901 (Sonotech Inc) and 1 more.
There are 7 known substitutes for 6850-01-157-4348: 5325-01-074-2570, 5999-01-084-6265, 4820-01-215-2271 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 25-901: Special Features: GEL FORM; TEMPERATURE OPERATING RANGE MINUS 10 DEG F TO 275 DEG F; COLOR, BLUE GEL DEGF; Color: BLUE. 2 total characteristics are documented in the Federal Logistics Information System.