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NSN 4920-00-084-3997Government record, cited
MRO / Maintenance and Repair Shop Equipment / 4920-00-084-3997

Iris Modification, Lens4920-00-084-3997

NSN 4920-00-084-3997 · NIIN 000843997 · Part number 974B441H01
Northrop Grumman Systems Corporation Dba Electronic Systems · FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment · CAGE 18323
Government record, cited
NSN 4920-00-084-3997 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-084-3997. Manufacturer of record part number: 974B441H01.
Also searched as  4920-00-084-3997 · 4920000843997 · NIIN 000843997 · 00-084-3997 · FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · CAGE 18323 · 974B441H01
Nearby stock numbers  ·
Features
  • Iris Modification,lens — FSC 4920
  • FSC Application Data: TEST SET,VIEWING
  • 1 manufacturer part number on file
  • Manufacturer of record: Northrop Grumman Systems Corporation Dba Electronic Systems
Identification
  • NSN: 4920-00-084-3997
  • NIIN: 000843997
  • FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
  • FSG: 49 — Maintenance and Repair Shop Equipment
  • Primary part number: 974B441H01
  • Manufacturer: Northrop Grumman Systems Corporation Dba Electronic Systems
General Description

The Iris Modification,lens, cataloged under National Stock Number 4920-00-084-3997, 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 Northrop Grumman Systems Corporation Dba Electronic Systems. 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.

Technical Specifications
ParameterValue
NSN4920-00-084-3997
Primary Part Number974B441H01
Item NameIris Modification,lens
FSC / FSG4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment
ManufacturerNorthrop Grumman Systems Corporation Dba Electronic Systems
StatusACTIVE
FSC Application DataTEST SET,VIEWING
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
974B441H01 PRIMARY Northrop Grumman Systems Corporation Dba Electronic Systems (USA)
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 4920-00-084-3997?

NSN 4920-00-084-3997 is a Iris Modification,lens, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.

What part numbers are listed for NSN 4920-00-084-3997?

NSN 4920-00-084-3997 has 1 manufacturer part number on file: 974B441H01 (Northrop Grumman Systems Corporation Dba Electronic Systems).

What are the specifications of 974B441H01?

Key specifications for 974B441H01: FSC Application Data: TEST SET,VIEWING. 1 specification is documented in the U.S. Government catalog.

Is NSN 4920-00-084-3997 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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