PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77-311CLLens,light

Dietz R E Co · NSN 6220-01-012-6880 · FSC 6220 · No Item Name Available
Verified by PartsTable
NSN 6220-01-012-6880 — this item is cataloged by the U.S. Government under National Stock Number 6220-01-012-6880. Primary manufacturer part number: 77-311CL.
Features
  • Lens,light — FSC 6220
  • Flange Width: 0.108 INCHES NOMINAL IN
  • Overall Diameter: 4.250 INCHES NOMINAL IN
  • Surface Condition: CONCENTRICALLY RIBBED BACK
  • Color: CLEAR LENS
  • Material: PLASTIC ACRYLIC LENS
  • Surface Condition: SMOOTH FACE
  • Style Designator: CONVEX
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Plastic Acrylic Lens construction
General Description

The Lens,light, cataloged under National Stock Number 6220-01-012-6880, is classified within Federal Supply Class 6220 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Dietz R E Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6220-01-012-6880
Primary Part Number77-311CL
Item NameLens,light
FSC / FSG6220 / 62 — No Item Name Available
ManufacturerDietz R E Co
StatusACTIVE
Flange Width0.108 INCHES NOMINAL IN
Overall Diameter4.250 INCHES NOMINAL IN
Surface ConditionCONCENTRICALLY RIBBED BACK
ColorCLEAR LENS
MaterialPLASTIC ACRYLIC LENS
Surface ConditionSMOOTH FACE
Style DesignatorCONVEX
Light Transmission DesignTRANSPARENT LENS
Mounting Device Quantity1
Effective Diameter4.031 INCHES NOMINAL IN
Mounting MethodFLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6220-00-115-856491311 INTERCHANGEABLE
Lens,light
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
Cross-Reference Index
Part NumberManufacturer
77-311CL Dietz R E Co (USA)
077-31102 Dietz R E Co (USA)
877-31102 Dietz R E Co (USA)
Related Parts
6220-00-115-8564INTERCHANGEABLE
LENS,LIGHT
91311

Frequently Asked Questions

What is NSN 6220-01-012-6880?

NSN 6220-01-012-6880 is a Lens,light, manufactured by Dietz R E Co, classified under FSC 6220 (No Item Name Available). Status: active.

What are the part numbers for NSN 6220-01-012-6880?

NSN 6220-01-012-6880 has 3 cross-referenced part numbers: 77-311CL (Dietz R E Co), 077-31102 (Dietz R E Co), 877-31102 (Dietz R E Co).

What NSN replaces 6220-01-012-6880?

There is 1 known substitute for 6220-01-012-6880: 6220-00-115-8564. Verify interchangeability with system specifications before substitution.

What are the specifications of 77-311CL?

Key specifications for 77-311CL: Flange Width: 0.108 INCHES NOMINAL IN; Overall Diameter: 4.250 INCHES NOMINAL IN; Surface Condition: CONCENTRICALLY RIBBED BACK; Color: CLEAR LENS. 12 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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