PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

36830Magnifier

Marshall-Swartchild Co · NSN 6650-00-490-2637 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-00-490-2637 — this item is cataloged by the U.S. Government under National Stock Number 6650-00-490-2637. Primary manufacturer part number: 36830.
Features
  • Magnifier — FSC 6650
  • Unit Type: MONOCULAR
  • Lens Diameter: 0.500 INCHES NOMINAL AND 0.938 INCHES NOMINAL IN
  • Lens Quantity: 2
  • Eye Orbit Design Feature: PROVIDED
  • Magnification: 4.0X NOMINAL AND 7.0X NOMINAL
  • Carrying Case: NOT PROVIDED
  • Lens Arrangement: PERMANENTLY ALIGNED
Applications
  • Applications requiring Plastic Frame construction
General Description

The Magnifier, cataloged under National Stock Number 6650-00-490-2637, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Marshall-Swartchild Co. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-00-490-2637
Primary Part Number36830
Item NameMagnifier
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerMarshall-Swartchild Co
StatusACTIVE
Unit TypeMONOCULAR
Lens Diameter0.500 INCHES NOMINAL AND 0.938 INCHES NOMINAL IN
Lens Quantity2
Eye Orbit Design FeaturePROVIDED
Magnification4.0X NOMINAL AND 7.0X NOMINAL
Carrying CaseNOT PROVIDED
Lens ArrangementPERMANENTLY ALIGNED
MaterialPLASTIC FRAME
ShapeCIRCULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5930-00-669-7686117B01 INTERCHANGEABLE
Switch,pressure
Johnson Controls Inc Control Products Div
5965-00-860-895461B21712 INTERCHANGEABLE
Cushion,ear
Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)
5305-01-415-3956814105 INTERCHANGEABLE
Screw,machine
Caterpillar Inc Div Caterpillar Defense
4240-01-508-3818 INTERCHANGEABLE
Visor,faceshield,industrial
1005-01-571-048529080 INTERCHANGEABLE
Barrel,machine Gun
U.s. Ordnance
Cross-Reference Index
Part NumberManufacturer
36830 Marshall-Swartchild Co (USA)
29.080 Grobet File Company of America, Inc. Dba William Dixon (USA)
81-41-05 Bausch & Lomb Inc (USA)
Related Parts
5930-00-669-7686INTERCHANGEABLE
SWITCH,PRESSURE
117B01
5965-00-860-8954INTERCHANGEABLE
CUSHION,EAR
61B21712
5305-01-415-3956INTERCHANGEABLE
SCREW,MACHINE
814105
4240-01-508-3818INTERCHANGEABLE
VISOR,FACESHIELD,INDUSTRIAL
1005-01-571-0485INTERCHANGEABLE
BARREL,MACHINE GUN
29080

Frequently Asked Questions

What is NSN 6650-00-490-2637?

NSN 6650-00-490-2637 is a Magnifier, manufactured by Marshall-Swartchild Co, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-00-490-2637?

NSN 6650-00-490-2637 has 3 cross-referenced part numbers: 36830 (Marshall-Swartchild Co), 29.080 (Grobet File Company of America, Inc. Dba William Dixon), 81-41-05 (Bausch & Lomb Inc).

What NSN replaces 6650-00-490-2637?

There are 5 known substitutes for 6650-00-490-2637: 5930-00-669-7686, 5965-00-860-8954, 5305-01-415-3956 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 36830?

Key specifications for 36830: Unit Type: MONOCULAR; Lens Diameter: 0.500 INCHES NOMINAL AND 0.938 INCHES NOMINAL IN; Lens Quantity: 2; Eye Orbit Design Feature: PROVIDED. 9 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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