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NSN 1240-01-718-9261Government record, cited

Filter Subassembly, Light, Optical1240-01-718-9261

NSN 1240-01-718-9261 · NIIN 017189261 · Part number SLB11251
Seiler Instrument and Manufacturing Company, Incorporated · FSC 1240 — Optical Sighting and Ranging Equipment · FSG 12 — Fire Control Equipment · CAGE 11934
Government record, cited
NSN 1240-01-718-9261 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-718-9261. Manufacturer of record part number: SLB11251.
Also searched as  1240-01-718-9261 · 1240017189261 · NIIN 017189261 · 01-718-9261 · FSC 1240 Optical Sighting and Ranging Equipment · CAGE 11934 · SLB11251
Nearby stock numbers  ·
Features
  • Filter Subassembly,light,optical — FSC 1240
  • 1 manufacturer part number on file
  • Manufacturer of record: Seiler Instrument and Manufacturing Company, Incorporated
Identification
  • NSN: 1240-01-718-9261
  • NIIN: 017189261
  • FSC: 1240 — Optical Sighting and Ranging Equipment
  • FSG: 12 — Fire Control Equipment
  • Primary part number: SLB11251
  • Manufacturer: Seiler Instrument and Manufacturing Company, Incorporated
General Description

The Filter Subassembly,light,optical, cataloged under National Stock Number 1240-01-718-9261, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Seiler Instrument and Manufacturing Company, Incorporated. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts
Item NameFilter Subassembly,light,optical
FSC / FSG1240 — Optical Sighting and Ranging Equipment (FSG 12)
ManufacturersSeiler Instrument and Manufacturing Company, Incorporated (CAGE 11934)
Technical Specifications
ParameterValue
NSN1240-01-718-9261
Primary Part NumberSLB11251
Item NameFilter Subassembly,light,optical
FSC / FSG1240 / 12 — Optical Sighting and Ranging Equipment
ManufacturerSeiler Instrument and Manufacturing Company, Incorporated
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
SLB11251 PRIMARY Seiler Instrument and Manufacturing Company, Incorporated (USA)
No interchangeability data on file.
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 1240-01-718-9261?

NSN 1240-01-718-9261 is a Filter Subassembly,light,optical, manufactured by Seiler Instrument and Manufacturing Company, Incorporated, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.

What part numbers are listed for NSN 1240-01-718-9261?

NSN 1240-01-718-9261 has 1 manufacturer part number on file: SLB11251 (Seiler Instrument and Manufacturing Company, Incorporated).

Is NSN 1240-01-718-9261 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.
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