PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

10547913Ring,retaining,optical Element

Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate · NSN 1240-00-045-4379 · FSC 1240 · No Item Name Available
Verified by PartsTable
NSN 1240-00-045-4379 — this item is cataloged by the U.S. Government under National Stock Number 1240-00-045-4379. Primary manufacturer part number: 10547913.
Features
  • Ring,retaining,optical Element — FSC 1240
  • Outside Diameter: 1.710 INCHES MINIMUM AND 1.720 INCHES MAXIMUM IN
  • Aperture Diameter: 1.5625 INCHES NOMINAL IN
  • Thread Location: INTERNAL
  • Internal Flange Thickness: 0.3750 INCHES NOMINAL IN
  • Material Document and Classification: QQ-S-763, CLASS 303, COND A FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-764, TYPE 416, COND A-CANCELED FED SPEC 2ND MATERIAL RESPONSE
  • Material: STEEL COMP 303 OR STEEL COMP 416
  • 1 verified cross-reference
Applications
  • Applications requiring Steel Comp 303 or Steel Comp 416 construction
General Description

The Ring,retaining,optical Element, cataloged under National Stock Number 1240-00-045-4379, is classified within Federal Supply Class 1240 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1240-00-045-4379
Primary Part Number10547913
Item NameRing,retaining,optical Element
FSC / FSG1240 / 12 — No Item Name Available
ManufacturerCombat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
StatusACTIVE
Outside Diameter1.710 INCHES MINIMUM AND 1.720 INCHES MAXIMUM IN
Aperture Diameter1.5625 INCHES NOMINAL IN
Thread LocationINTERNAL
Internal Flange Thickness0.3750 INCHES NOMINAL IN
Material Document and ClassificationQQ-S-763, CLASS 303, COND A FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-764, TYPE 416, COND A-CANCELED FED SPEC 2ND MATERIAL RESPONSE
MaterialSTEEL COMP 303 OR STEEL COMP 416
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Cross-Reference Index
Part NumberManufacturer
10547913 PRIMARY Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
Related Parts in Fire Control Equipment
1240-00-000-0160
SIGHT UNIT
3234001-111
1240-00-001-4014
NO ITEM NAME AVAILABLE
1240-00-001-4015
NO ITEM NAME AVAILABLE
1240-00-001-4488
FILTER,LIGHT,OPTICAL INSTRUMENT
178AS168-2
1240-00-003-1076
NO ITEM NAME AVAILABLE
1240-00-003-8404
NO ITEM NAME AVAILABLE
1240-00-003-8405
NO ITEM NAME AVAILABLE
1240-00-003-8406
MOUNT,TELESCOPE
11730901

Frequently Asked Questions

What is NSN 1240-00-045-4379?

NSN 1240-00-045-4379 is a Ring,retaining,optical Element, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 1240 (No Item Name Available). Status: active.

What are the part numbers for NSN 1240-00-045-4379?

NSN 1240-00-045-4379 has 1 cross-referenced part number: 10547913 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).

What are the specifications of 10547913?

Key specifications for 10547913: Outside Diameter: 1.710 INCHES MINIMUM AND 1.720 INCHES MAXIMUM IN; Aperture Diameter: 1.5625 INCHES NOMINAL IN; Thread Location: INTERNAL; Internal Flange Thickness: 0.3750 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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