The Converter,speed, cataloged under National Stock Number 6605-00-689-6503, is classified within Federal Supply Class 6605 (Navigational Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Dynalec Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Converter,speed |
| FSC / FSG | 6605 — Navigational Instruments (FSG 66) |
| Manufacturers | Dynalec Corporation (CAGE 12763) |
| Parameter | Value |
|---|---|
| NSN | 6605-00-689-6503 |
| Primary Part Number | UL3218-1ANDUL3219-1 |
| Item Name | Converter,speed |
| FSC / FSG | 6605 / 66 — Navigational Instruments |
| Manufacturer | Dynalec Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| UL3218-1ANDUL3219-1 PRIMARY | Dynalec Corporation (USA) |
| UL3218-1YC4B PRIMARY | Dynalec Corporation (USA) |
| Reference | Meaning |
|---|---|
| UL3218-1YC4B | 5/9 Secondary reference The Electric Tachometer Corp. |
| UL3218-1ANDUL3219-1 | 5/9 Secondary reference The Electric Tachometer Corp. |
NSN 6605-00-689-6503 is a Converter,speed, manufactured by Dynalec Corporation, classified under FSC 6605, Navigational Instruments. Status: active.
NSN 6605-00-689-6503 has 2 manufacturer part numbers on file: UL3218-1ANDUL3219-1 (Dynalec Corporation), UL3218-1YC4B (Dynalec Corporation).
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 6605-00-689-6503 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.