PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4493Lens,light

Heil Environmental Industries · NSN 6220-00-562-1708 · FSC 6220 · No Item Name Available
Verified by PartsTable
NSN 6220-00-562-1708 — this item is cataloged by the U.S. Government under National Stock Number 6220-00-562-1708. Primary manufacturer part number: 4493.
Features
  • Lens,light — FSC 6220
  • Mounting Method: FLANGE
  • Material: GLASS LENS
  • Effective Diameter: 2.031 INCHES NOMINAL IN
  • Color: CLEAR LENS
  • Light Transmission Design: TRANSPARENT LENS
  • Surface Condition: SMOOTH FACE
  • Style Designator: DOME
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Glass Lens construction
General Description

The Lens,light, cataloged under National Stock Number 6220-00-562-1708, is classified within Federal Supply Class 6220 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Heil Environmental Industries. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6220-00-562-1708
Primary Part Number4493
Item NameLens,light
FSC / FSG6220 / 62 — No Item Name Available
ManufacturerHeil Environmental Industries
StatusCANCELLED
Mounting MethodFLANGE
MaterialGLASS LENS
Effective Diameter2.031 INCHES NOMINAL IN
ColorCLEAR LENS
Light Transmission DesignTRANSPARENT LENS
Surface ConditionSMOOTH FACE
Style DesignatorDOME
Mounting Device Quantity1
Flange Width0.211 INCHES NOMINAL IN
Overall Diameter2.875 INCHES NOMINAL IN
Surface ConditionSMOOTH BACK
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-118-77073503 INTERCHANGEABLE
Gasket
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
4330-00-148-8561 INTERCHANGEABLE
Filter,fluid
5330-00-285-59537603520 INTERCHANGEABLE
Seal,plain Encased
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5935-00-465-955236-774 INTERCHANGEABLE
Jack,tip
Gc/waldom Inc
1650-00-474-3207DS-922065 INTERCHANGEABLE
Spring Assembly,compensator
Eaton Aerospace, Llc Dba Jackson South
3120-00-618-6126LS3859-4-30 INTERCHANGEABLE
Bushing,sleeve
Lockheed Martin Corp
2990-00-706-6528 INTERCHANGEABLE
Insulatorengine Mou
5935-00-726-792533-133-BU INTERCHANGEABLE
Plug,tip
Gc/waldom Inc
4310-00-776-3361350-3 INTERCHANGEABLE
Ball,check
Fl Industries Inc Pneumotive Div
1560-00-780-47683503 INTERCHANGEABLE
Housing,cap
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
Cross-Reference Index
Part NumberManufacturer
4493 Heil Environmental Industries (USA)
350-3 Acutek Inc. Use CAGE Code 99717 for Cataloging (USA)
4493 Bevier Allan U Inc (USA)
4493 Acutek Inc. Use CAGE Code 99717 for Cataloging (USA)
Related Parts
5330-00-118-7707INTERCHANGEABLE
GASKET
3503
4330-00-148-8561INTERCHANGEABLE
FILTER,FLUID
5330-00-285-5953INTERCHANGEABLE
SEAL,PLAIN ENCASED
7603520
5935-00-465-9552INTERCHANGEABLE
JACK,TIP
36-774
1650-00-474-3207INTERCHANGEABLE
SPRING ASSEMBLY,COMPENSATOR
DS-922065
3120-00-618-6126INTERCHANGEABLE
BUSHING,SLEEVE
LS3859-4-30
2990-00-706-6528INTERCHANGEABLE
INSULATORENGINE MOU
5935-00-726-7925INTERCHANGEABLE
PLUG,TIP
33-133-BU
4310-00-776-3361INTERCHANGEABLE
BALL,CHECK
350-3
1560-00-780-4768INTERCHANGEABLE
HOUSING,CAP
3503
5120-00-846-7612INTERCHANGEABLE
RIVET SET,HAND
9176754
4730-00-918-5125INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
786

Frequently Asked Questions

What is NSN 6220-00-562-1708?

NSN 6220-00-562-1708 is a Lens,light, manufactured by Heil Environmental Industries, classified under FSC 6220 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6220-00-562-1708?

NSN 6220-00-562-1708 has 4 cross-referenced part numbers: 4493 (Heil Environmental Industries), 350-3 (Acutek Inc. Use CAGE Code 99717 for Cataloging), 4493 (Bevier Allan U Inc), 4493 (Acutek Inc. Use CAGE Code 99717 for Cataloging).

What NSN replaces 6220-00-562-1708?

There are 12 known substitutes for 6220-00-562-1708: 5330-00-118-7707, 4330-00-148-8561, 5330-00-285-5953 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4493?

Key specifications for 4493: Mounting Method: FLANGE; Material: GLASS LENS; Overall Length: 2.148 INCHES NOMINAL IN; Effective Diameter: 2.031 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6220-00-562-1708 still in active supply?

NSN 6220-00-562-1708 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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