PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MA3Mirror Assembly and Mounting Bra

Columbia Instruments Inc · NSN 6650-01-297-4374 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-297-4374 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-297-4374. Primary manufacturer part number: MA3.
Features
  • Mirror Assembly and Mounting Bra — FSC 6650
  • 1 verified cross-reference
  • Primary manufacturer: Columbia Instruments Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Mirror Assembly and Mounting Bra, cataloged under National Stock Number 6650-01-297-4374, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Columbia Instruments Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-01-297-4374
Primary Part NumberMA3
Item NameMirror Assembly and Mounting Bra
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerColumbia Instruments Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4920-00-176-9140T878 INTERCHANGEABLE
Test Set,generator
Avtron Aerospace Inc
6635-00-249-5341 INTERCHANGEABLE
Fluorescent Penetrant Inspection
4120-00-289-9241 INTERCHANGEABLE
Air Conditioner
6635-00-334-7420 INTERCHANGEABLE
Fluorescent Penetrant Inspection
6130-00-553-1504 INTERCHANGEABLE
Charger,battery
5905-00-860-4056C615000 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Andrea Systems Llc
Cross-Reference Index
Part NumberManufacturer
MA3 Columbia Instruments Inc (USA)
Related Parts
4920-00-176-9140INTERCHANGEABLE
TEST SET,GENERATOR
T878
6635-00-249-5341INTERCHANGEABLE
FLUORESCENT PENETRANT INSPECTION
4120-00-289-9241INTERCHANGEABLE
AIR CONDITIONER
6635-00-334-7420INTERCHANGEABLE
FLUORESCENT PENETRANT INSPECTION
6130-00-553-1504INTERCHANGEABLE
CHARGER,BATTERY
5905-00-860-4056INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
C615000

Frequently Asked Questions

What is NSN 6650-01-297-4374?

NSN 6650-01-297-4374 is a Mirror Assembly and Mounting Bra, manufactured by Columbia Instruments Inc, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-297-4374?

NSN 6650-01-297-4374 has 1 cross-referenced part number: MA3 (Columbia Instruments Inc).

What NSN replaces 6650-01-297-4374?

There are 6 known substitutes for 6650-01-297-4374: 4920-00-176-9140, 6635-00-249-5341, 4120-00-289-9241 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MA3?

Key specifications for MA3: Special Features: MICROSCOPE MIRROR AND FORK ASSEMBLY; COMPATIBLE WITH NSN 6650-01-259-3008; Part Name Assigned by Controlling Agency: MIRROR ASSEMBLY AND MOUNTING BRACKET OPTICAL MICROSCOPE. 2 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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