PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

325A12V-W/521HSpotlight

Unity Manufacturing Co · NSN 6220-00-500-4755 · FSC 6220 · No Item Name Available
Verified by PartsTable
NSN 6220-00-500-4755 — this item is cataloged by the U.S. Government under National Stock Number 6220-00-500-4755. Primary manufacturer part number: 325A12V-W/521H.
Features
  • Spotlight — FSC 6220
  • Lens Surface Condition: SMOOTH FACE
  • Lens Type and Quantity: 1 PLANO CONVEX
  • Mounting Method: BRACKET(S)
  • Overall Diameter: 6.000 INCHES NOMINAL IN
  • Lamp Type Accommodated and Quantity: 1 INCANDESCENT
  • Light Beam Motion: FIXED
  • Lens Color: COLORLESS
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Spotlight, cataloged under National Stock Number 6220-00-500-4755, is classified within Federal Supply Class 6220 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Unity Manufacturing Co. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6220-00-500-4755
Primary Part Number325A12V-W/521H
Item NameSpotlight
FSC / FSG6220 / 62 — No Item Name Available
ManufacturerUnity Manufacturing Co
StatusCANCELLED
Lens Surface ConditionSMOOTH FACE
Lens Type and Quantity1 PLANO CONVEX
Mounting MethodBRACKET(S)
Overall Diameter6.000 INCHES NOMINAL IN
Lamp Type Accommodated and Quantity1 INCANDESCENT
Light Beam MotionFIXED
Lens ColorCOLORLESS
Lamp Base Type AccommodatedTWO SCREW TERMINALS
Voltage Rating in Volts12.0 DC NOMINAL
Wiring Provision MethodINDIVIDUAL WIRE
Lamp Protection DeviceGRILL
Lens TransparencyTRANSPARENT
ShapeROUND
Terminal Type and Quantity1 WIRE LEAD
Lens Surface ConditionSMOOTH BACK
MaterialCOPPER ALLOY BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
6210-00-557-0711225A INTERCHANGEABLE
Light,indicator
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
5935-00-583-2746 INTERCHANGEABLE
Jack,telephone
5950-00-645-444895936 INTERCHANGEABLE
Coil,telephone
Telemechanics Inc
5935-00-665-9020100125P2 INTERCHANGEABLE
Jack,tip
Lockheed Martin Corporation Div Rms
5965-00-827-9679 INTERCHANGEABLE
Harness,chest Set
4820-00-916-35964726 INTERCHANGEABLE
Valve,check
Saylor-Beall Manufacturing Company
5945-00-925-9957225A INTERCHANGEABLE
Chopper,electronic
Cambridge Scientific Industries Div of Diversey Corp
5133-01-014-701533AR-6 INTERCHANGEABLE
Bit Set,spade,wood Boring
Greenlee Textron Inc.
Cross-Reference Index
Part NumberManufacturer
16-00685 Kaitlin Corp (USA)
225AW/52BRKT Unity Manufacturing Co (USA)
16-00685 Unity Manufacturing Co (USA)
325A12V-W/521H PRIMARY Unity Manufacturing Co (USA)
S6-12V Unity Manufacturing Co (USA)
6500JA Unity Manufacturing Co (USA)
225A12V Unity Manufacturing Co (USA)
225A Cornell Industries Inc Universal Valve and Fittings Co Div (USA)
Related Parts
6210-00-557-0711INTERCHANGEABLE
LIGHT,INDICATOR
225A
5935-00-583-2746INTERCHANGEABLE
JACK,TELEPHONE
5950-00-645-4448INTERCHANGEABLE
COIL,TELEPHONE
95936
5935-00-665-9020INTERCHANGEABLE
JACK,TIP
100125P2
5965-00-827-9679INTERCHANGEABLE
HARNESS,CHEST SET
4820-00-916-3596INTERCHANGEABLE
VALVE,CHECK
4726
5945-00-925-9957INTERCHANGEABLE
CHOPPER,ELECTRONIC
225A
5133-01-014-7015INTERCHANGEABLE
BIT SET,SPADE,WOOD BORING
33AR-6

Frequently Asked Questions

What is NSN 6220-00-500-4755?

NSN 6220-00-500-4755 is a Spotlight, manufactured by Unity Manufacturing Co, classified under FSC 6220 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6220-00-500-4755?

NSN 6220-00-500-4755 has 8 cross-referenced part numbers: 16-00685 (Kaitlin Corp), 225AW/52BRKT (Unity Manufacturing Co), 16-00685 (Unity Manufacturing Co), 325A12V-W/521H (Unity Manufacturing Co), S6-12V (Unity Manufacturing Co) and 3 more.

What NSN replaces 6220-00-500-4755?

There are 8 known substitutes for 6220-00-500-4755: 6210-00-557-0711, 5935-00-583-2746, 5950-00-645-4448 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 325A12V-W/521H?

Key specifications for 325A12V-W/521H: Lens Surface Condition: SMOOTH FACE; Lens Type and Quantity: 1 PLANO CONVEX; Mounting Method: BRACKET(S); Overall Diameter: 6.000 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6220-00-500-4755 still in active supply?

NSN 6220-00-500-4755 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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