The Capsule,indicator L, cataloged under National Stock Number 6340-00-055-4591, is classified within Federal Supply Class 6340 (Aircraft Alarm and Signal Systems) of the Alarm, Signal, and Security Detection Systems group. The manufacturer of record is Teledyne Brown Engineering, Inc. Dba Teledyne Advanced Electronic Solutions Div Teledyne Advanced Electronic Solutions. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Capsule,indicator L |
| FSC / FSG | 6340 — Aircraft Alarm and Signal Systems (FSG 63) |
| Manufacturers | Teledyne Brown Engineering, Inc. Dba Teledyne Advanced Electronic Solutions Div Teledyne Advanced Electronic Solutions (CAGE 26687) |
| Parameter | Value |
|---|---|
| NSN | 6340-00-055-4591 |
| Primary Part Number | R3572-109 |
| Item Name | Capsule,indicator L |
| FSC / FSG | 6340 / 63 — Aircraft Alarm and Signal Systems |
| Manufacturer | Teledyne Brown Engineering, Inc. Dba Teledyne Advanced Electronic Solutions Div Teledyne Advanced Electronic Solutions |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| R3572-109 PRIMARY | Teledyne Brown Engineering, Inc. Dba Teledyne Advanced Electronic Solutions Div Teledyne Advanced Electronic Solutions (USA) |
| Reference | Meaning |
|---|---|
| R3572-109 | 5/9 Secondary reference U.S. Government activity |
NSN 6340-00-055-4591 is a Capsule,indicator L, manufactured by Teledyne Brown Engineering, Inc. Dba Teledyne Advanced Electronic Solutions Div Teledyne Advanced Electronic Solutions, classified under FSC 6340, Aircraft Alarm and Signal Systems. Status: active.
NSN 6340-00-055-4591 has 1 manufacturer part number on file: R3572-109 (Teledyne Brown Engineering, Inc. Dba Teledyne Advanced Electronic Solutions Div Teledyne Advanced Electronic Solutions).
1 possible match (shared part number, not a government interchangeability claim): 5910-00-828-0781. Verify interchangeability with system specifications before substitution.
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.