PartsTable TECHNICAL DATA SHEET
NSN 6650-00-925-6928Government record, cited

Retainer, Optical Element6650-00-925-6928

NSN 6650-00-925-6928 · NIIN 009256928 · Part number 10121139
Us Army Aviation and Missile Command · FSC 6650 — Optical Instruments, Test Equipment, Components and Accessories · FSG 66 — Instruments and Laboratory Equipment · CAGE 18876
Government record, cited
NSN 6650-00-925-6928 — this item is cataloged by the U.S. Government under National Stock Number 6650-00-925-6928. Manufacturer of record part number: 10121139.
Also searched as  6650-00-925-6928 · 6650009256928 · NIIN 009256928 · 00-925-6928 · FSC 6650 Optical Instruments, Test Equipment, Components and Accessories · CAGE 18876 · 10121139
Nearby stock numbers  ·
Features
  • Retainer,optical Element — FSC 6650
  • FSC Application Data: ANTENNA-RECEIVER-TRANSMITTER GROUP,MISSILE TRACKING
  • Recess Angle in Deg: 60.0
  • Hole or Slot Quantity: 2
  • Drive Type: SLOTTED
  • Drive Facility Angular Spacing in Deg: 180.0
  • Style Designator: RECESSED
  • Setscrew Notch: NOT PROVIDED
Identification
  • NSN: 6650-00-925-6928
  • NIIN: 009256928
  • FSC: 6650 — Optical Instruments, Test Equipment, Components and Accessories
  • FSG: 66 — Instruments and Laboratory Equipment
  • Primary part number: 10121139
  • Manufacturer: Us Army Aviation and Missile Command
General Description

The Retainer,optical Element, cataloged under National Stock Number 6650-00-925-6928, is classified within Federal Supply Class 6650 (Optical Instruments, Test Equipment, Components and Accessories) of the Instruments and Laboratory Equipment group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 16 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
NSN6650-00-925-6928
Primary Part Number10121139
Item NameRetainer,optical Element
FSC / FSG6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
FSC Application DataANTENNA-RECEIVER-TRANSMITTER GROUP,MISSILE TRACKING
Recess Angle in Deg60.0
Hole or Slot Quantity2
Drive TypeSLOTTED
Drive Facility Angular Spacing in Deg180.0
Style DesignatorRECESSED
Setscrew NotchNOT PROVIDED
Recess Depth0.152 INCHES NOMINAL IN
Guide LocationBOTH EDGES
Thread Size1.312 IN.-32 NS-2A A
Guide DesignTHREAD CHAMFER
Depth0.178 INCHES NOMINAL IN
Width0.094 INCHES NOMINAL IN
Internal Annular SerrationNOT PROVIDED
MaterialALUMINUM ALLOY 2024
Hole Diameter1.040 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL Q — CCL Item — Commerce Control List
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
10121139 PRIMARY Us Army Aviation and Missile Command (USA)

Frequently Asked Questions

What is NSN 6650-00-925-6928?

NSN 6650-00-925-6928 is a Retainer,optical Element, manufactured by Us Army Aviation and Missile Command, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.

What part numbers are listed for NSN 6650-00-925-6928?

NSN 6650-00-925-6928 has 1 manufacturer part number on file: 10121139 (Us Army Aviation and Missile Command).

What are the specifications of 10121139?

Key specifications for 10121139: FSC Application Data: ANTENNA-RECEIVER-TRANSMITTER GROUP,MISSILE TRACKING; Recess Angle in Deg: 60.0; Hole or Slot Quantity: 2; Drive Type: SLOTTED. 16 specifications are documented in the U.S. Government catalog.

Is NSN 6650-00-925-6928 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.

What is the DEMIL code for NSN 6650-00-925-6928?

NSN 6650-00-925-6928 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

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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