PartsTable TECHNICAL DATA SHEET
NSN 4920-01-157-8652Government record, cited

Lens Assembly4920-01-157-8652

NSN 4920-01-157-8652 · NIIN 011578652 · Part number 74D111177-1001
The Boeing Company Div Defense · FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment · CAGE 76301
Government record, cited
NSN 4920-01-157-8652 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-157-8652. Manufacturer of record part number: 74D111177-1001.
Also searched as  4920-01-157-8652 · 4920011578652 · NIIN 011578652 · 01-157-8652 · FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · CAGE 76301 · 74D111177-1001
Nearby stock numbers  ·
Features
  • Lens Assembly — FSC 4920
  • General Characteristics Item Description: GLASS PER MIL-G-174,CLASS 1,GRADE A; FINE ANNEALED; 81 MM DIA; 14 MM THK MM
  • 1 manufacturer part number on file
  • Manufacturer of record: The Boeing Company Div Defense
Identification
  • NSN: 4920-01-157-8652
  • NIIN: 011578652
  • FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
  • FSG: 49 — Maintenance and Repair Shop Equipment
  • Primary part number: 74D111177-1001
  • Manufacturer: The Boeing Company Div Defense
General Description

The Lens Assembly, cataloged under National Stock Number 4920-01-157-8652, 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 The Boeing Company Div Defense. 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
NSN4920-01-157-8652
Primary Part Number74D111177-1001
Item NameLens Assembly
FSC / FSG4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
General Characteristics Item DescriptionGLASS PER MIL-G-174,CLASS 1,GRADE A; FINE ANNEALED; 81 MM DIA; 14 MM THK MM
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
74D111177-1001 PRIMARY The Boeing Company Div Defense (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 4920-01-157-8652?

NSN 4920-01-157-8652 is a Lens Assembly, manufactured by The Boeing Company Div Defense, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.

What part numbers are listed for NSN 4920-01-157-8652?

NSN 4920-01-157-8652 has 1 manufacturer part number on file: 74D111177-1001 (The Boeing Company Div Defense).

What are the specifications of 74D111177-1001?

Key specifications for 74D111177-1001: General Characteristics Item Description: GLASS PER MIL-G-174,CLASS 1,GRADE A; FINE ANNEALED; 81 MM DIA; 14 MM THK MM; End Item Identification: GROUND SUPPORT EQUIPMENT,F-18 AIRCRAFT. 1 specification is documented in the U.S. Government catalog.

Is NSN 4920-01-157-8652 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.
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