NSN 1240-01-694-2491 · NIIN 016942491 · Part number P57242-B31110-10
Flir Systems, Inc · FSC 1240 — Optical Sighting and Ranging Equipment · FSG 12 — Fire Control Equipment · CAGE 7NG21
Government record, cited
NSN 1240-01-694-2491 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-694-2491. Manufacturer of record part number: P57242-B31110-10.
Also searched as1240-01-694-2491 ·
1240016942491 ·
NIIN 016942491 ·
01-694-2491 ·
FSC 1240 Optical Sighting and Ranging Equipment · CAGE 7NG21 · P57242-B31110-10
Objective Aperture Diameter: 91.0 MILLIMETERS NOMINAL MM
1 manufacturer part number on file
Manufacturer of record: Flir Systems, Inc
Identification
NSN: 1240-01-694-2491
NIIN: 016942491
FSC: 1240 — Optical Sighting and Ranging Equipment
FSG: 12 — Fire Control Equipment
Primary part number: P57242-B31110-10
Manufacturer: Flir Systems, Inc
General Description
The Sight,day-Night, cataloged under National Stock Number 1240-01-694-2491, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Flir Systems, Inc. Government technical data includes 4 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
1240-01-694-2491
Primary Part Number
P57242-B31110-10
Item Name
Sight,day-Night
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.
1240-00-764-4734
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 1240-01-694-2491?
NSN 1240-01-694-2491 is a Sight,day-Night, manufactured by Flir Systems, Inc, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
What part numbers are listed for NSN 1240-01-694-2491?
NSN 1240-01-694-2491 has 1 manufacturer part number on file: P57242-B31110-10 (Flir Systems, Inc).
What are the specifications of P57242-B31110-10?
Key specifications for P57242-B31110-10: Magnification: 4 MINIMUM; Magnification Type: VARIABLE; View Angle in Deg: 7.1 HORIZONTAL; Overall Length: 11.2 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 1240-01-694-2491 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 1240-01-694-2491?
NSN 1240-01-694-2491 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.