The Diaphragm,dental Delivery System, cataloged under National Stock Number 6520-01-654-6621, 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. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6520-01-654-6621 |
| Primary Part Number | 38.1787.01 |
| Item Name | Diaphragm,dental Delivery System |
| FSC / FSG | 6520 / 65 — Dental Instruments, Equipment, and Supplies |
| Manufacturer | A-Dec Inc Dba a-Dec |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 38.1787.01 PRIMARY | A-Dec Inc Dba a-Dec (USA) |
| 38.1787.01 | A-Dec Dental Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 6520NCM184267 | 5/1 Secondary reference Defense Medical Standardization Board |
| 1514182 | 5/1 Secondary reference U.S. Government activity |
NSN 6520-01-654-6621 is a Diaphragm,dental Delivery System, manufactured by A-Dec Inc Dba a-Dec, classified under FSC 6520, Dental Instruments, Equipment, and Supplies. Status: active.
NSN 6520-01-654-6621 has 2 manufacturer part numbers on file: 38.1787.01 (A-Dec Inc Dba a-Dec), 38.1787.01 (A-Dec Dental Uk Ltd).
Key specifications for 38.1787.01: Special Features: DIAPHRAGM, CONTROL BLOCK, 4 POSITION; A-DEC 300 AND 500 SERIES CONTROL BLOCK, FOUR POSITION DIAPHRAGM ; BLACK NITRILE POLYMER CONSTRUCTION; DIMENSIONS: 4.64 INCHES LONG X 2.00 INCHES WIDE X 0.13 INCHES HIGH; WEIGHT: 0.03 LBS; UNIT OF ISSUE CONTAINS 5 DIAPHRAGMS; END ITEM IDENTIFICATION: A-DEC 300, 500 SERIES DENTAL DELIVERY SYSTEM FOUR POSITION CONTROL BLOCKS; PRODUCT DEVICE CODE, 11165. LBS; Part Name Assigned by Controlling Agency: DIAPHRAGM, CONTROL BLOCK, 4 POSITION; End Item Identification: 6520-01-616-1988; DENTAL DELIVERY SYSTEM. 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.