PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ML-21Light,panel

Seitz Scientific Industries, Inc. · NSN 6210-01-558-7897 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-01-558-7897 — this item is cataloged by the U.S. Government under National Stock Number 6210-01-558-7897. Primary manufacturer part number: ML-21.
Features
  • Light,panel — FSC 6210
  • Transmitted Light Color: GREEN SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A
  • Supplementary Features: USES 2 EA 2AA BATTERIES; CAN BE OPERATED WITH THE LIP OR TONGUE
  • Mounting Method: FLANGE LENS
  • Mounting Method: FRICTION LOCATION NOT OTHERWISE SPECIFIED
  • Lens Quantity: 1
  • 1 verified cross-reference
  • Primary manufacturer: Seitz Scientific Industries, Inc.
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Light,panel, cataloged under National Stock Number 6210-01-558-7897, is classified within Federal Supply Class 6210 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Seitz Scientific Industries, Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6210-01-558-7897
Primary Part NumberML-21
Item NameLight,panel
FSC / FSG6210 / 62 — No Item Name Available
ManufacturerSeitz Scientific Industries, Inc.
StatusACTIVE
Transmitted Light ColorGREEN SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A
Supplementary FeaturesUSES 2 EA 2AA BATTERIES; CAN BE OPERATED WITH THE LIP OR TONGUE
Mounting MethodFLANGE LENS
Mounting MethodFRICTION LOCATION NOT OTHERWISE SPECIFIED
Lens Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3020-00-555-6969 INTERCHANGEABLE
Link,roller Chain
5910-00-985-4562ML2-1 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
Mccrosky Tool Corp
Cross-Reference Index
Part NumberManufacturer
ML-21 PRIMARY Seitz Scientific Industries, Inc. (USA)
Related Parts
3020-00-555-6969INTERCHANGEABLE
LINK,ROLLER CHAIN
5910-00-985-4562INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
ML2-1

Frequently Asked Questions

What is NSN 6210-01-558-7897?

NSN 6210-01-558-7897 is a Light,panel, manufactured by Seitz Scientific Industries, Inc., classified under FSC 6210 (No Item Name Available). Status: active.

What are the part numbers for NSN 6210-01-558-7897?

NSN 6210-01-558-7897 has 1 cross-referenced part number: ML-21 (Seitz Scientific Industries, Inc.).

What NSN replaces 6210-01-558-7897?

There are 2 known substitutes for 6210-01-558-7897: 3020-00-555-6969, 5910-00-985-4562. Verify interchangeability with system specifications before substitution.

What are the specifications of ML-21?

Key specifications for ML-21: Special Features: BRIGHT GREEN LIGHT; COMPATIBLE WITH NIGHT VISION GOGGLES AND DEVICES; Transmitted Light Color: GREEN SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A; Supplementary Features: USES 2 EA 2AA BATTERIES; CAN BE OPERATED WITH THE LIP OR TONGUE; Mounting Method: FLANGE LENS. 7 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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