PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25020-1Light,navigational,marine

Glamox Aqua Signal Corporation · NSN 6220-01-389-3957 · FSC 6220 · No Item Name Available
Verified by PartsTable
NSN 6220-01-389-3957 — this item is cataloged by the U.S. Government under National Stock Number 6220-01-389-3957. Primary manufacturer part number: 25020-1.
Features
  • Light,navigational,marine — FSC 6220
  • Overall Diameter: 2.500 INCHES NOMINAL IN
  • Shape: ROUND
  • Lens Type and Quantity: 1 CYLINDRICAL
  • Material: PLASTIC POLYCARBONATE BODY
  • Lamp Type Accommodated and Quantity: 1 INCANDESCENT
  • Mounting Method: BRACKET(S)
  • Material: PLASTIC ACRYLIC LENS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Plastic Polycarbonate Body construction
General Description

The Light,navigational,marine, cataloged under National Stock Number 6220-01-389-3957, is classified within Federal Supply Class 6220 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Glamox Aqua Signal Corporation. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6220-01-389-3957
Primary Part Number25020-1
Item NameLight,navigational,marine
FSC / FSG6220 / 62 — No Item Name Available
ManufacturerGlamox Aqua Signal Corporation
StatusACTIVE
Overall Diameter2.500 INCHES NOMINAL IN
ShapeROUND
Lens Type and Quantity1 CYLINDRICAL
MaterialPLASTIC POLYCARBONATE BODY
Lamp Type Accommodated and Quantity1 INCANDESCENT
Mounting MethodBRACKET(S)
MaterialPLASTIC ACRYLIC LENS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5999-00-734-4614SM-A-800712 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3020-00-920-90683513013 INTERCHANGEABLE
Pulley,drive
Pitney Bowes Inc.
5950-01-113-506825020-1 INTERCHANGEABLE
Transformer,power
Drs Advanced Isr, Llc
5360-01-224-4398 INTERCHANGEABLE
Spring
4730-01-248-897925020-1 INTERCHANGEABLE
Reducer,tube
Hydraulics International, Inc. Dba Hydraulics International Inc
4730-01-323-508925020-1-TN INTERCHANGEABLE
Coupling,pipe
Rhba Acquisitions, Llc Dba Red Head Brass
Cross-Reference Index
Part NumberManufacturer
25020-1 PRIMARY Glamox Aqua Signal Corporation (USA)
6220PL1285990 Jednolity Indeks Materialowy - Uniform Material Index (POL)
25020-7 Glamox Aqua Signal Corporation (USA)
3513013 Glamox Aqua Signal Corporation (USA)
Related Parts
5999-00-734-4614INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
SM-A-800712
3020-00-920-9068INTERCHANGEABLE
PULLEY,DRIVE
3513013
5950-01-113-5068INTERCHANGEABLE
TRANSFORMER,POWER
25020-1
5360-01-224-4398INTERCHANGEABLE
SPRING
4730-01-248-8979INTERCHANGEABLE
REDUCER,TUBE
25020-1
4730-01-323-5089INTERCHANGEABLE
COUPLING,PIPE
25020-1-TN

Frequently Asked Questions

What is NSN 6220-01-389-3957?

NSN 6220-01-389-3957 is a Light,navigational,marine, manufactured by Glamox Aqua Signal Corporation, classified under FSC 6220 (No Item Name Available). Status: active.

What are the part numbers for NSN 6220-01-389-3957?

NSN 6220-01-389-3957 has 4 cross-referenced part numbers: 25020-1 (Glamox Aqua Signal Corporation), 6220PL1285990 (Jednolity Indeks Materialowy - Uniform Material Index), 25020-7 (Glamox Aqua Signal Corporation), 3513013 (Glamox Aqua Signal Corporation).

What NSN replaces 6220-01-389-3957?

There are 6 known substitutes for 6220-01-389-3957: 5999-00-734-4614, 3020-00-920-9068, 5950-01-113-5068 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25020-1?

Key specifications for 25020-1: Overall Diameter: 2.500 INCHES NOMINAL IN; Shape: ROUND; Lens Type and Quantity: 1 CYLINDRICAL; Material: PLASTIC POLYCARBONATE BODY. 8 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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