PartsTable TECHNICAL DATA SHEET
NSN 1240-01-289-7253Government record, cited

Eye-Cup, Gunner-Plug1240-01-289-7253

NSN 1240-01-289-7253 · NIIN 012897253 · Part number 12333986
Us Army Aviation and Missile Command · FSC 1240 — Optical Sighting and Ranging Equipment · FSG 12 — Fire Control Equipment · CAGE 18876
Government record, cited
NSN 1240-01-289-7253 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-289-7253. Manufacturer of record part number: 12333986.
Also searched as  1240-01-289-7253 · 1240012897253 · NIIN 012897253 · 01-289-7253 · FSC 1240 Optical Sighting and Ranging Equipment · CAGE 18876 · 12333986
Nearby stock numbers  ·
Features
  • Eye-Cup,gunner-Plug — FSC 1240
  • General Characteristics Item Description: CONSIST OF 1 WASHER AND 1 PLUG; WASHER MADE FROM CORROSION RESISTING STEEL ROD,303 SECRES,ASTM-A582,TYPE 303SE COND A; PLUG MADE FROM RUBBER PER SPEC MIL-R-83285,GR 60,BLACK
  • Test Data Document: 18876-12333986 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
  • 1 manufacturer part number on file
  • Manufacturer of record: Us Army Aviation and Missile Command
Identification
  • NSN: 1240-01-289-7253
  • NIIN: 012897253
  • FSC: 1240 — Optical Sighting and Ranging Equipment
  • FSG: 12 — Fire Control Equipment
  • Primary part number: 12333986
  • Manufacturer: Us Army Aviation and Missile Command
General Description

The Eye-Cup,gunner-Plug, cataloged under National Stock Number 1240-01-289-7253, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1240-01-289-7253
Primary Part Number12333986
Item NameEye-Cup,gunner-Plug
FSC / FSG1240 / 12 — Optical Sighting and Ranging Equipment
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
General Characteristics Item DescriptionCONSIST OF 1 WASHER AND 1 PLUG; WASHER MADE FROM CORROSION RESISTING STEEL ROD,303 SECRES,ASTM-A582,TYPE 303SE COND A; PLUG MADE FROM RUBBER PER SPEC MIL-R-83285,GR 60,BLACK
Test Data Document18876-12333986 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
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
12333986 PRIMARY Us Army Aviation and Missile Command (USA)
Reference documents
ReferenceMeaning
12333986 5/1 Secondary reference
Abston Machine Shop, Inc. Dba Abston Machine Shop Inc
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 1240-01-289-7253?

NSN 1240-01-289-7253 is a Eye-Cup,gunner-Plug, manufactured by Us Army Aviation and Missile Command, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.

What part numbers are listed for NSN 1240-01-289-7253?

NSN 1240-01-289-7253 has 1 manufacturer part number on file: 12333986 (Us Army Aviation and Missile Command).

What are the specifications of 12333986?

Key specifications for 12333986: General Characteristics Item Description: CONSIST OF 1 WASHER AND 1 PLUG; WASHER MADE FROM CORROSION RESISTING STEEL ROD,303 SECRES,ASTM-A582,TYPE 303SE COND A; PLUG MADE FROM RUBBER PER SPEC MIL-R-83285,GR 60,BLACK; Test Data Document: 18876-12333986 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING); End Item Identification: 1240010965151. 2 specifications are documented in the U.S. Government catalog.

Is NSN 1240-01-289-7253 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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