The Potentiometer Line, cataloged under National Stock Number 5905-01-343-7939, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. The record lists 1 manufacturer part number 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.
| Parameter | Value |
|---|---|
| NSN | 5905-01-343-7939 |
| Primary Part Number | 063973 |
| Item Name | Potentiometer Line |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 063973 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
NSN 5905-01-343-7939 is a Potentiometer Line, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-343-7939 has 1 manufacturer part number on file: 063973 (L3 Technologies, Inc. Div L3 Keo).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-695-3393. Verify interchangeability with system specifications before substitution.
Key specifications for 063973: End Item Identification: USED ON 324 PERISCOPE. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.