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NSN 1240-01-498-4245Government record, cited

Ring, Retaining, Optical Element1240-01-498-4245

NSN 1240-01-498-4245 · NIIN 014984245 · Part number 5613064
Naval Sea Systems Command · FSC 1240 — Optical Sighting and Ranging Equipment · FSG 12 — Fire Control Equipment · CAGE 53711
Government record, cited
NSN 1240-01-498-4245 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-498-4245. Manufacturer of record part number: 5613064.
Also searched as  1240-01-498-4245 · 1240014984245 · NIIN 014984245 · 01-498-4245 · FSC 1240 Optical Sighting and Ranging Equipment · CAGE 53711 · 5613064
Nearby stock numbers  ·
Features
  • Ring,retaining,optical Element — FSC 1240
  • Drive Type: RIM
  • Outside Diameter: 1.944 INCHES MINIMUM AND 1.948 INCHES MAXIMUM IN
  • Material: STEEL CORROSION RESISTING
  • 1 manufacturer part number on file
  • Manufacturer of record: Naval Sea Systems Command
Identification
  • NSN: 1240-01-498-4245
  • NIIN: 014984245
  • FSC: 1240 — Optical Sighting and Ranging Equipment
  • FSG: 12 — Fire Control Equipment
  • Primary part number: 5613064
  • Manufacturer: Naval Sea Systems Command
General Description

The Ring,retaining,optical Element, cataloged under National Stock Number 1240-01-498-4245, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 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
ParameterValue
NSN1240-01-498-4245
Primary Part Number5613064
Item NameRing,retaining,optical Element
FSC / FSG1240 / 12 — Optical Sighting and Ranging Equipment
ManufacturerNaval Sea Systems Command
StatusACTIVE
Drive TypeRIM
Outside Diameter1.944 INCHES MINIMUM AND 1.948 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING
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
5613064 PRIMARY Naval Sea Systems Command (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 1240-01-498-4245?

NSN 1240-01-498-4245 is a Ring,retaining,optical Element, manufactured by Naval Sea Systems Command, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.

What part numbers are listed for NSN 1240-01-498-4245?

NSN 1240-01-498-4245 has 1 manufacturer part number on file: 5613064 (Naval Sea Systems Command).

What are the specifications of 5613064?

Key specifications for 5613064: Drive Type: RIM; Outside Diameter: 1.944 INCHES MINIMUM AND 1.948 INCHES MAXIMUM IN; Special Features: RING HAS 11 X .060-80 UNI - 2B MOUNT HOLES; Part Name Assigned by Controlling Agency: MID EYEGUARD HOUSING. 3 specifications are documented in the U.S. Government catalog.

Is NSN 1240-01-498-4245 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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