NSN 1240-01-376-5100 · NIIN 013765100 · Part number 66910130-1
Northrop Grumman Systems Corporation · FSC 1240 — Optical Sighting and Ranging Equipment · FSG 12 — Fire Control Equipment · CAGE 34860
Government record, cited
NSN 1240-01-376-5100 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-376-5100. Manufacturer of record part number: 66910130-1.
Also searched as1240-01-376-5100 ·
1240013765100 ·
NIIN 013765100 ·
01-376-5100 ·
FSC 1240 Optical Sighting and Ranging Equipment · CAGE 34860 · 66910130-1
FSC: 1240 — Optical Sighting and Ranging Equipment
FSG: 12 — Fire Control Equipment
Primary part number: 66910130-1
Manufacturer: Northrop Grumman Systems Corporation
General Description
The Window,optical Instrument, cataloged under National Stock Number 1240-01-376-5100, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 6 specifications, 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
Parameter
Value
NSN
1240-01-376-5100
Primary Part Number
66910130-1
Item Name
Window,optical Instrument
FSC / FSG
1240 / 12 — Optical Sighting and Ranging Equipment
Other items in FSC 1240 — Optical Sighting and Ranging Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1240-00-000-0160
SIGHT UNIT
1240-00-001-4014
1240-00-001-4014 · Item name not on file
1240-00-001-4015
1240-00-001-4015 · Item name not on file
1240-00-001-4488
FILTER,LIGHT,OPTICAL INSTRUMENT
1240-00-003-1076
1240-00-003-1076 · Item name not on file
1240-00-003-8404
1240-00-003-8404 · Item name not on file
1240-00-003-8405
1240-00-003-8405 · Item name not on file
1240-00-003-8406
MOUNT,TELESCOPE
Frequently Asked Questions
What is NSN 1240-01-376-5100?
NSN 1240-01-376-5100 is a Window,optical Instrument, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
What part numbers are listed for NSN 1240-01-376-5100?
NSN 1240-01-376-5100 has 1 manufacturer part number on file: 66910130-1 (Northrop Grumman Systems Corporation).
What are the specifications of 66910130-1?
Key specifications for 66910130-1: Surface Finish: POLISHED; Diameter: 0.618 INCHES NOMINAL IN; Polished Periphery: NOT PROVIDED; End Item Identification: RECEIVER TRANSMITTER. 6 specifications are documented in the U.S. Government catalog.
Is NSN 1240-01-376-5100 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 1240-01-376-5100?
NSN 1240-01-376-5100 has DEMIL Code D. 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.