NSN 1240-00-344-9502 · NIIN 003449502 · Part number 1226440
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · FSC 1240 — Optical Sighting and Ranging Equipment · FSG 12 — Fire Control Equipment · CAGE 10001
Government record, cited
NSN 1240-00-344-9502 — this item is cataloged by the U.S. Government under National Stock Number 1240-00-344-9502. Manufacturer of record part number: 1226440.
Also searched as1240-00-344-9502 ·
1240003449502 ·
NIIN 003449502 ·
00-344-9502 ·
FSC 1240 Optical Sighting and Ranging Equipment · CAGE 10001 · 1226440 · 31153-601
Manufacturer of record: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Identification
NSN: 1240-00-344-9502
NIIN: 003449502
FSC: 1240 — Optical Sighting and Ranging Equipment
FSG: 12 — Fire Control Equipment
Primary part number: 1226440
Manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
General Description
The Eyepiece Assembly,optical Instru, cataloged under National Stock Number 1240-00-344-9502, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1240-00-344-9502
Primary Part Number
1226440
Item Name
Eyepiece Assembly,optical Instru
FSC / FSG
1240 / 12 — Optical Sighting and Ranging Equipment
Manufacturer
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Other items in FSC 1240 — Optical Sighting and Ranging Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1240-00-764-4734
SUNSHADE
1240-00-987-5071
1240-00-987-5071 · Item name not on file
1240-01-068-6676
HOLDER,OPTICAL ELEMENT
1240-01-082-8849
SIGHT,INFINITY
1240-01-090-0609
1240-01-090-0609 · Item name not on file
1240-01-102-4266
1240-01-102-4266 · Item name not on file
1240-01-110-9897
1240-01-110-9897 · Item name not on file
1240-01-361-6090
COLLIMATOR,INFINITY AIMING REFER
Frequently Asked Questions
What is NSN 1240-00-344-9502?
NSN 1240-00-344-9502 is a Eyepiece Assembly,optical Instru, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
What part numbers are listed for NSN 1240-00-344-9502?
NSN 1240-00-344-9502 has 2 manufacturer part numbers on file: 1226440 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 31153-601 (Bausch & Lomb Inc).
What are the specifications of 1226440?
Key specifications for 1226440: Diopter Scale: NOT INCLUDED; Focusing Type: ADJUSTABLE; Lens Arrangement: DOUBLET; End Item Identification: TELESCOPE MK102. 3 specifications are documented in the U.S. Government catalog.
Is NSN 1240-00-344-9502 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 1240-00-344-9502?
NSN 1240-00-344-9502 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.