NSN 1240-00-504-9940 · NIIN 005049940 · Part number 5049940
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate · FSC 1240 — Optical Sighting and Ranging Equipment · FSG 12 — Fire Control Equipment · CAGE 19200
Government record, cited
NSN 1240-00-504-9940 — this item is cataloged by the U.S. Government under National Stock Number 1240-00-504-9940. Manufacturer of record part number: 5049940.
Also searched as1240-00-504-9940 ·
1240005049940 ·
NIIN 005049940 ·
00-504-9940 ·
FSC 1240 Optical Sighting and Ranging Equipment · CAGE 19200 · 5049940
FSC Application Data: FIRE CONTROL OPTICAL SIGHTING AND RANGING EQUIPMENT
Material Document and Classification: MIL-R-3065, GRADE RS405ABFF MIL SPEC ALL MATERIAL RESPONSES
Attachment End Inside Diameter: 1.250 INCHES IN
Viewing End Inside Diameter: 1.625 INCHES IN
Material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OR RUBBER BUTADIENE-STYRENE CLASS SBR
Attachment Method: PRESS FIT
3 manufacturer part numbers on file
Identification
NSN: 1240-00-504-9940
NIIN: 005049940
FSC: 1240 — Optical Sighting and Ranging Equipment
FSG: 12 — Fire Control Equipment
Primary part number: 5049940
Manufacturer: Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
General Description
The Eyeshield,optical Instrument, cataloged under National Stock Number 1240-00-504-9940, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 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
1240-00-504-9940
Primary Part Number
5049940
Item Name
Eyeshield,optical Instrument
FSC / FSG
1240 / 12 — Optical Sighting and Ranging Equipment
Manufacturer
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
Status
ACTIVE
FSC Application Data
FIRE CONTROL OPTICAL SIGHTING AND RANGING EQUIPMENT
Material Document and Classification
MIL-R-3065, GRADE RS405ABFF MIL SPEC ALL MATERIAL RESPONSES
Attachment End Inside Diameter
1.250 INCHES IN
Viewing End Inside Diameter
1.625 INCHES IN
Material
RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OR RUBBER BUTADIENE-STYRENE CLASS SBR
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 1240-00-504-9940?
NSN 1240-00-504-9940 is a Eyeshield,optical Instrument, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
What part numbers are listed for NSN 1240-00-504-9940?
NSN 1240-00-504-9940 has 3 manufacturer part numbers on file: 5049940 (Aerofab Company, Inc.), 5049940 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 5049940 (Laminated Materials Corp).
What are the specifications of 5049940?
Key specifications for 5049940: FSC Application Data: FIRE CONTROL OPTICAL SIGHTING AND RANGING EQUIPMENT; Material Document and Classification: MIL-R-3065, GRADE RS405ABFF MIL SPEC ALL MATERIAL RESPONSES; Overall Length: 1.625 INCHES NOMINAL IN; Attachment End Inside Diameter: 1.250 INCHES IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 1240-00-504-9940 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.