The Drive Assembly,prec, cataloged under National Stock Number 5985-01-481-1827, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is R F Products, Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-481-1827 |
| Primary Part Number | 643780 |
| Item Name | Drive Assembly,prec |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | R F Products, Inc |
| Status | ACTIVE |
| Functional Description | USED TO ACCURATELY POSITION THE TUNING MECHANISM OF THE UHF FILTER ASSEMBLY TO THE DESIRED RF FREQUENCY SET BY THE RADIO CONTROL PANEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 643780 PRIMARY | R F Products, Inc (USA) |
NSN 5985-01-481-1827 is a Drive Assembly,prec, manufactured by R F Products, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-481-1827 has 1 manufacturer part number on file: 643780 (R F Products, Inc).
Key specifications for 643780: Overall Height: 1.800 INCHES MAXIMUM IN; Overall Length: 5.400 INCHES MAXIMUM IN; Overall Width: 2.560 INCHES MAXIMUM IN; Special Features: PRECISION MACHINED HOUSING, STEPPER MOTOR, PRECISION GEARS, SHAFTS, BEARING AND MISCELLANEOUS HARDWARE. 1 specification is 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.
NSN 5985-01-481-1827 has DEMIL Code B. 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.