PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-547332-2774Retainer,optical Element

L3 Technologies, Inc. Div L3 Keo · NSN 6650-00-972-8636 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-00-972-8636 — this item is cataloged by the U.S. Government under National Stock Number 6650-00-972-8636. Primary manufacturer part number: A-547332-2774.
Features
  • Retainer,optical Element — FSC 6650
  • 7 verified cross-references
  • Primary manufacturer: L3 Technologies, Inc. Div L3 Keo
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Retainer,optical Element, cataloged under National Stock Number 6650-00-972-8636, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is L3 Technologies, Inc. Div L3 Keo. This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRetainer,optical Element
FSC / FSG6650 — No Item Name Available (FSG 66)
ManufacturersNorthrop Grumman Systems Corporation (CAGE 03956); L3 Technologies, Inc. Div L3 Keo (CAGE 34228); Chatham Precision Inc (CAGE 4N133)
Technical Specifications
ParameterValue
NSN6650-00-972-8636
Primary Part NumberA-547332-2774
Item NameRetainer,optical Element
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div L3 Keo
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2990-01-157-13162774 INTERCHANGEABLE
Control Group,engine
Jacobs Mfg Co the
6515-01-583-2743002774 INTERCHANGEABLE
Cuff,blood Pressure
Ge Medical Systems Information Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
547A002774 Northrop Grumman Systems Corporation (USA)
547A002774 L3 Technologies, Inc. Div L3 Keo (USA)
547A002774 Chatham Precision Inc (USA)
A-547332-2774 PRIMARY L3 Technologies, Inc. Div L3 Keo (USA)
A547-332 L3 Technologies, Inc. Div L3 Keo (USA)
002774 L3 Technologies, Inc. Div L3 Keo (USA)
A547-332 Chatham Precision Inc (USA)
Related Parts
2990-01-157-1316INTERCHANGEABLE
CONTROL GROUP,ENGINE
2774
6515-01-583-2743INTERCHANGEABLE
CUFF,BLOOD PRESSURE
002774

Frequently Asked Questions

What is NSN 6650-00-972-8636?

NSN 6650-00-972-8636 is a Retainer,optical Element, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-00-972-8636?

NSN 6650-00-972-8636 has 7 cross-referenced part numbers: 547A002774 (Northrop Grumman Systems Corporation), 547A002774 (L3 Technologies, Inc. Div L3 Keo), 547A002774 (Chatham Precision Inc), A-547332-2774 (L3 Technologies, Inc. Div L3 Keo), A547-332 (L3 Technologies, Inc. Div L3 Keo) and 2 more.

What NSN replaces 6650-00-972-8636?

There are 2 known substitutes for 6650-00-972-8636: 2990-01-157-1316, 6515-01-583-2743. Verify interchangeability with system specifications before substitution.

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