The Cleaner,water Line, cataloged under National Stock Number 6520-01-656-1188, is classified within Federal Supply Class 6520 (Dental Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Crosstex International, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: PG.
| Parameter | Value |
|---|---|
| NSN | 6520-01-656-1188 |
| Primary Part Number | DS503L |
| Item Name | Cleaner,water Line |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | Crosstex International, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | PG |
| Part Number | Manufacturer |
|---|---|
| 1248732 | Henry Schein, Inc. (USA) |
| DS503L PRIMARY | Crosstex International, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6520NCM162944 | 5/1 Secondary reference Defense Medical Standardization Board |
| 661-0059 | 5/9 Secondary reference Patterson Dental Supply, Inc. Dba Patterson Dental 240 Div Patterson Dental |
| 1415611 | 5/1 Secondary reference U.S. Government activity |
NSN 6520-01-656-1188 is a Cleaner,water Line, manufactured by Crosstex International, Inc., classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-656-1188 has 2 manufacturer part numbers on file: 1248732 (Henry Schein, Inc.), DS503L (Crosstex International, Inc.).
Key specifications for DS503L: Special Features: STERILEX LIQUID ULTRA SOLUTION WATERLINE TREATMENT ULTRA DENTAL UNIT WATERLINE TREATMENT; STERILEX LIQUID ULTRA IS THE FIRST AND ONLY PRODUCT TO BE GRANTED BIOFILM REMOVAL, BIOFILM PREVENTION/SUPPRESSION AND BIOFILM BACTERIA KILL CLAIMS BY THE US EPA; STERILEX LIQUID ULTRA MAINTAINS DENTAL UNIT WATERLINE EFFLUENT WATER <500 CFU/ML; READY-TO-USE, TWO-PART LIQUID THAT IS APPROVED FOR USE AS A ONCE/WEEK OVERNIGHT TREATMENT; PART NUMBERS 63761-9, 63761-6; 10 (3 OZ.) BOTTLES OF SOLUTION 1 AND 10 (3 OZ.) BOTTLES OF SOLUTION 2; 10 APPLICATIONS PER PACK OZ; Part Name Assigned by Controlling Agency: WATERLINE CLEARNING SOLUTION AND TREATMENT. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.