FSC Application Data: MICROSCOPE LAMP;FIRE CONTROL SYSTEM
General Characteristics Item Description: CRES PER ASTN A581 OR A582,TYPE 303 COND A,COLD FINISHED;1.260 IN. LG;.0625 DIA IN
Identification
NSN: 4920-01-101-1801
NIIN: 011011801
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
General Description
The Prism Adapter Subassembly, cataloged under National Stock Number 4920-01-101-1801, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
CRES PER ASTN A581 OR A582,TYPE 303 COND A,COLD FINISHED;1.260 IN. LG;.0625 DIA IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
123D7943P4
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
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
4920-00-001-1405
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 4920-01-101-1801?
NSN 4920-01-101-1801 is a Prism Adapter Subassembly, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
What are the specifications of 4920-01-101-1801?
Key specifications for 4920-01-101-1801: FSC Application Data: MICROSCOPE LAMP;FIRE CONTROL SYSTEM; General Characteristics Item Description: CRES PER ASTN A581 OR A582,TYPE 303 COND A,COLD FINISHED;1.260 IN. LG;.0625 DIA IN; End Item Identification: AN/ASG-30 AGE.. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4920-01-101-1801 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.
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.