NSN 4920-01-623-6548 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-623-6548. Manufacturer of record part number: 056-3188.
Also searched as4920-01-623-6548 ·
4920016236548 ·
NIIN 016236548 ·
01-623-6548 ·
FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · CAGE 3FWH5 · 056-3188
Nearby stock numbers← 4920-01-623-6547 Nrp, Iso Pressure Sw
·
4920-01-623-6549 Step Down Switch As →
Features
Lamp Test Switch As — FSC 4920
1 manufacturer part number on file
Manufacturer of record: Matric Limited
Identification
NSN: 4920-01-623-6548
NIIN: 016236548
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
Primary part number: 056-3188
Manufacturer: Matric Limited
General Description
The Lamp Test Switch As, cataloged under National Stock Number 4920-01-623-6548, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Matric Limited. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Other items in FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4920-00-000-0190
TEST SET,FLIGHT CONTROL SYSTEM
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4920-00-001-1405 · Item name not on file
4920-00-001-1716
4920-00-001-1716 · Item name not on file
4920-00-001-1744
4920-00-001-1744 · Item name not on file
4920-00-001-1745
4920-00-001-1745 · Item name not on file
4920-00-001-1746
4920-00-001-1746 · Item name not on file
4920-00-001-1747
4920-00-001-1747 · Item name not on file
4920-00-001-1748
4920-00-001-1748 · Item name not on file
Frequently Asked Questions
What is NSN 4920-01-623-6548?
NSN 4920-01-623-6548 is a Lamp Test Switch As, manufactured by Matric Limited, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
What part numbers are listed for NSN 4920-01-623-6548?
NSN 4920-01-623-6548 has 1 manufacturer part number on file: 056-3188 (Matric Limited).
What are the specifications of 056-3188?
Key specifications for 056-3188: End Item Identification: SPECIAL AIRCRAFT AND ENGINE TOOL AND SUPPORT EQUIPMENT/PARTS. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4920-01-623-6548 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 4920-01-623-6548?
NSN 4920-01-623-6548 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.