PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11780078Ring,retaining,optical Element

Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate · NSN 1240-01-092-6696 · FSC 1240 · No Item Name Available
Verified by PartsTable
NSN 1240-01-092-6696 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-092-6696. Primary manufacturer part number: 11780078.
Features
  • Ring,retaining,optical Element — FSC 1240
  • Groove Diameter: 0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
  • Groove Location: INSIDE FACE OF FLANGE
  • Screw Thread Series Designator: UNS
  • Thread Location: EXTERNAL
  • Material: ALUMINUM ALLOY
  • Inner Groove Width: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
  • Internal Flange Thickness: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Ring,retaining,optical Element, cataloged under National Stock Number 1240-01-092-6696, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1240-01-092-6696
Primary Part Number11780078
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
Groove Diameter0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
Groove LocationINSIDE FACE OF FLANGE
Screw Thread Series DesignatorUNS
Thread LocationEXTERNAL
MaterialALUMINUM ALLOY
Inner Groove Width0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
Internal Flange Thickness0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
Thread Size4 3/8-32
Thread Pitch Diameters+4.3484 TO 4.3533 INCHES IN
Thread Class2A A
Thread DirectionRIGHT-HAND
Outside Diameter4.365 INCHES MINIMUM AND 4.385 INCHES MAXIMUM IN
Thread Length0.125 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4330-01-174-1345427868 INTERCHANGEABLE
Filter,fluid
Donaldson Company, Inc.
Cross-Reference Index
Part NumberManufacturer
11780078 PRIMARY Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
42463-1 Rockwell Collins, Inc. Dba Rc Displays Systems (USA)
Related Parts
4330-01-174-1345INTERCHANGEABLE
FILTER,FLUID
427868

Frequently Asked Questions

What is NSN 1240-01-092-6696?

NSN 1240-01-092-6696 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 1240-01-092-6696?

NSN 1240-01-092-6696 has 2 cross-referenced part numbers: 11780078 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 42463-1 (Rockwell Collins, Inc. Dba Rc Displays Systems).

What NSN replaces 1240-01-092-6696?

There is 1 known substitute for 1240-01-092-6696: 4330-01-174-1345. Verify interchangeability with system specifications before substitution.

What are the specifications of 11780078?

Key specifications for 11780078: Groove Diameter: 0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN; Groove Location: INSIDE FACE OF FLANGE; Screw Thread Series Designator: UNS; Thread Location: EXTERNAL. 13 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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