PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

8615899Retainer,optical Element

Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate · NSN 1240-00-864-0352 · FSC 1240 · No Item Name Available
Verified by PartsTable
NSN 1240-00-864-0352 — this item is cataloged by the U.S. Government under National Stock Number 1240-00-864-0352. Primary manufacturer part number: 8615899.
Features
  • Retainer,optical Element — FSC 1240
  • Setscrew Notch: PROVIDED
  • Hole Chamfer Diameter: 1.770 INCHES NOMINAL IN
  • Drive Facility Angular Spacing in Deg: 180.0
  • Hole or Slot Quantity: 2
  • Surface Treatment: ANODIZE
  • Material: ALUMINUM ALLOY 2024
  • Style Designator: RECESSED
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Retainer,optical Element, cataloged under National Stock Number 1240-00-864-0352, 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 21 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
NSN1240-00-864-0352
Primary Part Number8615899
Item NameRetainer,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
Setscrew NotchPROVIDED
Hole Chamfer Diameter1.770 INCHES NOMINAL IN
Drive Facility Angular Spacing in Deg180.0
Hole or Slot Quantity2
Surface TreatmentANODIZE
MaterialALUMINUM ALLOY 2024
Style DesignatorRECESSED
Material Document and ClassificationWW-T-785, T3, TYPE 1-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
FSC Application DataTELESCOPE,ELBOW,T176 INTEGRATED WITH FIRE CONTROL EQUIPMENT
Drive TypeSLOTTED
Hole Chamfer Angle in Deg45.0
Guide DesignTHREAD RELIEF
Width0.057 INCHES NOMINAL IN
Thread Size1.812 IN.-32 NS-2 IN
Guide LocationBOTH EDGES
Depth0.057 INCHES NOMINAL IN
Recess Depth1.440 INCHES NOMINAL IN
Internal Annular SerrationNOT PROVIDED
Counterbore Taper Angle in Deg30.0
Hole Diameter1.550 INCHES MINIMUM AND 1.560 INCHES MAXIMUM IN
Recess Diameter1.880 INCHES MINIMUM AND 1.890 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Cross-Reference Index
Part NumberManufacturer
8615899 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 1240-00-864-0352?

NSN 1240-00-864-0352 is a Retainer,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 1240-00-864-0352?

NSN 1240-00-864-0352 has 1 cross-referenced part number: 8615899 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).

What are the specifications of 8615899?

Key specifications for 8615899: Setscrew Notch: PROVIDED; Hole Chamfer Diameter: 1.770 INCHES NOMINAL IN; Drive Facility Angular Spacing in Deg: 180.0; Hole or Slot Quantity: 2. 22 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com