PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16041Retainer,optical Element

Gyrus Acmi L.p. Dba Circon-Acmi Div · NSN 6650-00-829-4120 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-00-829-4120 — this item is cataloged by the U.S. Government under National Stock Number 6650-00-829-4120. Primary manufacturer part number: 16041.
Features
  • Retainer,optical Element — FSC 6650
  • Internal Annular Serration: NOT PROVIDED
  • Width: 0.063 INCHES NOMINAL IN
  • Material: ALUMINUM
  • Style Designator: RECESSED
  • FSC Application Data: ANTENNA-RECEIVER-TRANSMITTER GROUP,MISSILE TRACKING
  • Depth: 0.031 INCHES NOMINAL IN
  • Hole or Slot Quantity: 2
Applications
  • Applications requiring Aluminum construction
General Description

The Retainer,optical Element, cataloged under National Stock Number 6650-00-829-4120, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Gyrus Acmi L.p. Dba Circon-Acmi Div. Government technical data includes 16 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-00-829-4120
Primary Part Number16041
Item NameRetainer,optical Element
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerGyrus Acmi L.p. Dba Circon-Acmi Div
StatusACTIVE
Internal Annular SerrationNOT PROVIDED
Width0.063 INCHES NOMINAL IN
MaterialALUMINUM
Style DesignatorRECESSED
FSC Application DataANTENNA-RECEIVER-TRANSMITTER GROUP,MISSILE TRACKING
Depth0.031 INCHES NOMINAL IN
Hole or Slot Quantity2
Guide LocationEDGE OPPOSITE DRIVE EDGE
Recess Angle in Deg15.0
Hole Diameter4.245 INCHES MINIMUM AND 4.255 INCHES MAXIMUM IN
Drive TypeSLOTTED
Setscrew NotchNOT PROVIDED
Guide DesignTHREAD CHAMFER
Thread Size4.500 IN.-32 NS-2A A
Drive Facility Angular Spacing in Deg180.0
Recess Depth0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4730-00-050-4205AS15001-3P INTERCHANGEABLE
Fitting,lubrication
Sae International Dba Sae International
5340-00-205-515915824 INTERCHANGEABLE
Catch,clamping
Howmet Global Fastening Systems Inc Div Camloc Products
5940-00-280-060710-107-1 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
5950-00-419-7534154109 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
4720-01-069-9121036PR-K002-1 INTERCHANGEABLE
Duplex Hose,rubber
Beta Fueling Systems, Llc
5998-01-204-41819610-219 INTERCHANGEABLE
Circuit Card Assembly
Datum Inc Bancomm-Timing Div
5360-01-327-270816041 INTERCHANGEABLE
Spring,flat
Drs Sustainment Systems Inc
5110-01-604-3505 INTERCHANGEABLE
File,hand
6350-01-624-156616041 INTERCHANGEABLE
Pcb,shoulder Panel
Teledyne Flir Unmanned Ground Systems, Inc
6150-01-641-770816041 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Ballard Technology, Inc. Dba Astronics Ballard Technology
Cross-Reference Index
Part NumberManufacturer
16041 PRIMARY Gyrus Acmi L.p. Dba Circon-Acmi Div (USA)
Related Parts
4730-00-050-4205INTERCHANGEABLE
FITTING,LUBRICATION
AS15001-3P
5340-00-205-5159INTERCHANGEABLE
CATCH,CLAMPING
15824
5940-00-280-0607INTERCHANGEABLE
TERMINAL,STUD
10-107-1
5950-00-419-7534INTERCHANGEABLE
TRANSFORMER,POWER
154109
4720-01-069-9121INTERCHANGEABLE
DUPLEX HOSE,RUBBER
036PR-K002-1
5998-01-204-4181INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
9610-219
5360-01-327-2708INTERCHANGEABLE
SPRING,FLAT
16041
5110-01-604-3505INTERCHANGEABLE
FILE,HAND
6350-01-624-1566INTERCHANGEABLE
PCB,SHOULDER PANEL
16041
6150-01-641-7708INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
16041
8145-01-675-9559INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,M

Frequently Asked Questions

What is NSN 6650-00-829-4120?

NSN 6650-00-829-4120 is a Retainer,optical Element, manufactured by Gyrus Acmi L.p. Dba Circon-Acmi Div, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-00-829-4120?

NSN 6650-00-829-4120 has 1 cross-referenced part number: 16041 (Gyrus Acmi L.p. Dba Circon-Acmi Div).

What NSN replaces 6650-00-829-4120?

There are 11 known substitutes for 6650-00-829-4120: 4730-00-050-4205, 5340-00-205-5159, 5940-00-280-0607 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16041?

Key specifications for 16041: Internal Annular Serration: NOT PROVIDED; Width: 0.063 INCHES NOMINAL IN; Material: ALUMINUM; Style Designator: RECESSED. 17 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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