NSN 1240-01-219-7637 · NIIN 012197637 · Part number 7565777-011
Seiler Instrument and Manufacturing Company, Incorporated · FSC 1240 — Optical Sighting and Ranging Equipment · FSG 12 — Fire Control Equipment · CAGE 11934
Government record, cited
NSN 1240-01-219-7637 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-219-7637. Manufacturer of record part number: 7565777-011.
Also searched as1240-01-219-7637 ·
1240012197637 ·
NIIN 012197637 ·
01-219-7637 ·
FSC 1240 Optical Sighting and Ranging Equipment · CAGE 11934 · 7565777-011
Manufacturer of record: Seiler Instrument and Manufacturing Company, Incorporated
Identification
NSN: 1240-01-219-7637
NIIN: 012197637
FSC: 1240 — Optical Sighting and Ranging Equipment
FSG: 12 — Fire Control Equipment
Primary part number: 7565777-011
Manufacturer: Seiler Instrument and Manufacturing Company, Incorporated
General Description
The Mount,sight, cataloged under National Stock Number 1240-01-219-7637, 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 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
Mount,sight
FSC / FSG
1240 — Optical Sighting and Ranging Equipment (FSG 12)
Manufacturers
General Dynamics Land Systems Inc. (CAGE 13160); Seiler Instrument and Manufacturing Company, Incorporated (CAGE 11934)
Technical Specifications
Parameter
Value
NSN
1240-01-219-7637
Primary Part Number
7565777-011
Item Name
Mount,sight
FSC / FSG
1240 / 12 — Optical Sighting and Ranging Equipment
Manufacturer
Seiler Instrument and Manufacturing Company, Incorporated
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.
1240-00-764-4734
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 1240-01-219-7637?
NSN 1240-01-219-7637 is a Mount,sight, 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 1240-01-219-7637?
NSN 1240-01-219-7637 has 2 manufacturer part numbers on file: 7565777-011 (General Dynamics Land Systems Inc.), 7565777-011 (Seiler Instrument and Manufacturing Company, Incorporated).
Is NSN 1240-01-219-7637 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 1240-01-219-7637?
NSN 1240-01-219-7637 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.