PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52-997Lens,light

Dialight Corporation · NSN 6210-00-270-4278 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-00-270-4278 — this item is cataloged by the U.S. Government under National Stock Number 6210-00-270-4278. Primary manufacturer part number: 52-997.
Features
  • Lens,light — FSC 6210
  • Thread Quantity: 27 PER INCH
  • Thread Series: UNS
  • Mounting Method: THREAD
  • Thread Direction: RIGHT-HAND
  • Color: CLEAR LENS
  • Thread Length: 0.188 INCHES NOMINAL IN
  • Color: CLEAR HOLDER
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Plastic Lens construction
General Description

The Lens,light, cataloged under National Stock Number 6210-00-270-4278, is classified within Federal Supply Class 6210 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Dialight Corporation. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 9 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
NSN6210-00-270-4278
Primary Part Number52-997
Item NameLens,light
FSC / FSG6210 / 62 — No Item Name Available
ManufacturerDialight Corporation
StatusCANCELLED
Thread Quantity27 PER INCH
Thread SeriesUNS
Mounting MethodTHREAD
Thread DirectionRIGHT-HAND
ColorCLEAR LENS
Thread Length0.188 INCHES NOMINAL IN
ColorCLEAR HOLDER
Light Transmission DesignTRANSPARENT LENS
MaterialPLASTIC LENS
Surface ConditionSMOOTH FACE
Thread Class2A A
Surface ConditionFLUTED BACK
Style DesignatorSTOVEPIPE
Effective Length0.438 INCHES NOMINAL IN
Overall Diameter0.625 INCHES NOMINAL IN
Thread Diameter0.562 INCHES IN
MaterialPLASTIC HOLDER
Mounting Device Quantity1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3455-00-224-363910110 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
3030-00-228-12547312 INTERCHANGEABLE
Belt,v
Gates Corporation
5998-00-329-447540132 INTERCHANGEABLE
Printed Wiring Board
Timeplex Inc
5355-00-619-4668MS91528-2N2B INTERCHANGEABLE
Knob
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5815-00-701-6339SM-D-148838 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2915-00-949-6381CA3132 INTERCHANGEABLE
Housing,slip Joint,fuel Valve
Stillman Seal Corporation Div Stillman Seal Corperation
6680-01-081-7770XM-36465-48-1000-I-H INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
5315-01-242-985352997 INTERCHANGEABLE
Pin,straight,headless
Parker Hannifin Corporation Div Hydraulic Systems Division
5365-01-360-930340132 INTERCHANGEABLE
Spacer,ring
Wilshire Corp
6220-01-374-666540132 INTERCHANGEABLE
Reflector,light
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
Cross-Reference Index
Part NumberManufacturer
25PFCLEAR Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
3095-03LINE56 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
571-6202-1301776 Naval Ship Systems Command (USA)
SMD545921-2 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
3095-03LINE49 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
52-997 PRIMARY Dialight Corporation (USA)
3067-35PC11LENSC Electric Boat Corporation Div General Dynamics Electric Boat (USA)
1450-0316 Agilent Technologies, Inc. Div Agilent Technologies Headquarters (USA)
1450-0316 Hewlett-Packard Company Dba HP (USA)
11784468 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
3695-03REVALINE1 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
40132 Raytheon Company Dba Raytheon (USA)
3067-35PC12LENSC Electric Boat Corporation Div General Dynamics Electric Boat (USA)
52-0997 PRIMARY Dialight Corporation (USA)
Related Parts
3455-00-224-3639INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10110
3030-00-228-1254INTERCHANGEABLE
BELT,V
7312
5998-00-329-4475INTERCHANGEABLE
PRINTED WIRING BOARD
40132
5355-00-619-4668INTERCHANGEABLE
KNOB
MS91528-2N2B
5815-00-701-6339INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SM-D-148838
2915-00-949-6381INTERCHANGEABLE
HOUSING,SLIP JOINT,FUEL VALVE
CA3132
6680-01-081-7770INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
XM-36465-48-1000-I-H
5315-01-242-9853INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
52997
5365-01-360-9303INTERCHANGEABLE
SPACER,RING
40132
6220-01-374-6665INTERCHANGEABLE
REFLECTOR,LIGHT
40132
5950-01-396-0804INTERCHANGEABLE
TRANSFORMER,POWER
52997
5120-01-430-2975INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 6210-00-270-4278?

NSN 6210-00-270-4278 is a Lens,light, manufactured by Dialight Corporation, classified under FSC 6210 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6210-00-270-4278?

NSN 6210-00-270-4278 has 14 cross-referenced part numbers: 25PFCLEAR (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 3095-03LINE56 (Electric Boat Corporation Div General Dynamics Electric Boat), 571-6202-1301776 (Naval Ship Systems Command), SMD545921-2 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 3095-03LINE49 (Electric Boat Corporation Div General Dynamics Electric Boat) and 9 more.

What NSN replaces 6210-00-270-4278?

There are 12 known substitutes for 6210-00-270-4278: 3455-00-224-3639, 3030-00-228-1254, 5998-00-329-4475 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52-997?

Key specifications for 52-997: Thread Quantity: 27 PER INCH; Thread Series: UNS; Mounting Method: THREAD; Thread Direction: RIGHT-HAND. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6210-00-270-4278 still in active supply?

NSN 6210-00-270-4278 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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