PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

KM100Mirror Assembly and Mounting Bra

Thorlabs, Inc · NSN 6650-01-621-1559 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-621-1559 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-621-1559. Primary manufacturer part number: KM100.
Features
  • Mirror Assembly and Mounting Bra — FSC 6650
  • 1 verified cross-reference
  • Primary manufacturer: Thorlabs, 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 6650-01-621-1559, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Thorlabs, Inc. This item has 1 commercial cross-reference from 1 manufacturer, 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 NameMirror Assembly and Mounting Bra
FSC / FSG6650 — No Item Name Available (FSG 66)
ManufacturersThorlabs, Inc (CAGE 0LW43)
Technical Specifications
ParameterValue
NSN6650-01-621-1559
Primary Part NumberKM100
Item NameMirror Assembly and Mounting Bra
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerThorlabs, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5905-00-412-0848 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5905-01-097-48320811-3195 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Keysight Technologies Inc
Cross-Reference Index
Part NumberManufacturer
KM100 PRIMARY Thorlabs, Inc (USA)
Related Parts
5905-00-412-0848INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5905-01-097-4832INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
0811-3195

Frequently Asked Questions

What is NSN 6650-01-621-1559?

NSN 6650-01-621-1559 is a Mirror Assembly and Mounting Bra, manufactured by Thorlabs, Inc, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-621-1559?

NSN 6650-01-621-1559 has 1 cross-referenced part number: KM100 (Thorlabs, Inc).

What NSN replaces 6650-01-621-1559?

There are 2 known substitutes for 6650-01-621-1559: 5905-00-412-0848, 5905-01-097-4832. Verify interchangeability with system specifications before substitution.

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