NSN 1240-01-400-1997 · NIIN 014001997 · Part number 1979916
Northrop Grumman Systems Corporation · FSC 1240 — Optical Sighting and Ranging Equipment · FSG 12 — Fire Control Equipment · CAGE 03956
Government record, cited
NSN 1240-01-400-1997 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-400-1997. Manufacturer of record part number: 1979916.
Also searched as1240-01-400-1997 ·
1240014001997 ·
NIIN 014001997 ·
01-400-1997 ·
FSC 1240 Optical Sighting and Ranging Equipment · CAGE 03956 · 1979916
Manufacturer of record: Northrop Grumman Systems Corporation
Identification
NSN: 1240-01-400-1997
NIIN: 014001997
FSC: 1240 — Optical Sighting and Ranging Equipment
FSG: 12 — Fire Control Equipment
Primary part number: 1979916
Manufacturer: Northrop Grumman Systems Corporation
General Description
The Holder,optical Element, cataloged under National Stock Number 1240-01-400-1997, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Holder,optical Element
FSC / FSG
1240 — Optical Sighting and Ranging Equipment (FSG 12)
Manufacturers
L3 Technologies, Inc. Div L3 Keo (CAGE 34228); Northrop Grumman Systems Corporation (CAGE 03956)
Technical Specifications
Parameter
Value
NSN
1240-01-400-1997
Primary Part Number
1979916
Item Name
Holder,optical Element
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 1240-01-400-1997?
NSN 1240-01-400-1997 is a Holder,optical Element, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
What part numbers are listed for NSN 1240-01-400-1997?
NSN 1240-01-400-1997 has 2 manufacturer part numbers on file: 1979916 (L3 Technologies, Inc. Div L3 Keo), 1979916 (Northrop Grumman Systems Corporation).
Is NSN 1240-01-400-1997 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.