The Hose Assembly,dental Operating U, cataloged under National Stock Number 6520-01-020-2700, 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 A-Dec Inc Dba a-Dec. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6520-01-020-2700 |
| Primary Part Number | 98-440 |
| Item Name | Hose Assembly,dental Operating U |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | A-Dec Inc Dba a-Dec |
| Status | ACTIVE |
| Connection Type | FEMALE THREAD SYRINGE AND PUSH-ON UNIT |
| Outside Diameter | 0.250 INCHES NOMINAL IN |
| Lining Environmental Protection | ANY ACCEPTABLE |
| Inside Diameter | 0.125 INCHES NOMINAL IN |
| Built-in Heater | NOT INCLUDED |
| 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 | EA |
NSN 6520-01-020-2700 is a Hose Assembly,dental Operating U, manufactured by A-Dec Inc Dba a-Dec, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-020-2700 has 2 manufacturer part numbers on file: 3560-020 (Den-Tal-Ez Alabama, Inc.), 98-440 (A-Dec Inc Dba a-Dec).
1 possible match (shared part number, not a government interchangeability claim): 1005-01-474-0197. Verify interchangeability with system specifications before substitution.
Key specifications for 98-440: Connection Type: FEMALE THREAD SYRINGE AND PUSH-ON UNIT; Outside Diameter: 0.250 INCHES NOMINAL IN; Lining Environmental Protection: ANY ACCEPTABLE; Inside Diameter: 0.125 INCHES NOMINAL IN. 5 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.