PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20631Retainer,lens

Porter H K Co Inc Electrical Div Lynchburgh Works · NSN 6220-00-300-0781 · FSC 6220 · No Item Name Available
Verified by PartsTable
NSN 6220-00-300-0781 — this item is cataloged by the U.S. Government under National Stock Number 6220-00-300-0781. Primary manufacturer part number: 20631.
Features
  • Retainer,lens — FSC 6220
  • 1 verified cross-reference
  • Primary manufacturer: Porter H K Co Inc Electrical Div Lynchburgh Works
Applications
  • Facility lighting installation
  • Emergency and exit lighting
  • Runway and airfield lighting
General Description

The Retainer,lens, cataloged under National Stock Number 6220-00-300-0781, is classified within Federal Supply Class 6220 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Porter H K Co Inc Electrical Div Lynchburgh Works. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRetainer,lens
FSC / FSG6220 — No Item Name Available (FSG 62)
ManufacturersPorter H K Co Inc Electrical Div Lynchburgh Works (CAGE 19975)
Technical Specifications
ParameterValue
NSN6220-00-300-0781
Primary Part Number20631
Item NameRetainer,lens
FSC / FSG6220 / 62 — No Item Name Available
ManufacturerPorter H K Co Inc Electrical Div Lynchburgh Works
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-156-4215 INTERCHANGEABLE
Bearing,ball,annular
3110-00-158-61922063-1 INTERCHANGEABLE
Bearing,ball,thrust
Federal-Mogul Corp Government Sales Dept
5945-00-257-0017905485-2 INTERCHANGEABLE
Relay,reed
General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
5310-00-942-854820631 INTERCHANGEABLE
Washer,flat
Avox Systems Inc Dba Avox Systems Inc
1040-00-991-574954A50B186-1 INTERCHANGEABLE
Pad,container
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5999-01-020-2591 INTERCHANGEABLE
Contact,electrical
4310-01-036-5888206-734 INTERCHANGEABLE
Parts Kit,air Motor
Graco Inc.
5975-01-298-1525206-31 INTERCHANGEABLE
Conduit Assembly,flexible
Dcx-Chol Enterprises, Inc.
4730-01-517-1061C20631 INTERCHANGEABLE
Elbow,hose
Hydrasearch Company, Llc
Cross-Reference Index
Part NumberManufacturer
20631 Porter H K Co Inc Electrical Div Lynchburgh Works (USA)
Related Parts
3110-00-156-4215INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-158-6192INTERCHANGEABLE
BEARING,BALL,THRUST
2063-1
5945-00-257-0017INTERCHANGEABLE
RELAY,REED
905485-2
5310-00-942-8548INTERCHANGEABLE
WASHER,FLAT
20631
1040-00-991-5749INTERCHANGEABLE
PAD,CONTAINER
54A50B186-1
5999-01-020-2591INTERCHANGEABLE
CONTACT,ELECTRICAL
4310-01-036-5888INTERCHANGEABLE
PARTS KIT,AIR MOTOR
206-734
5975-01-298-1525INTERCHANGEABLE
CONDUIT ASSEMBLY,FLEXIBLE
206-31
4730-01-517-1061INTERCHANGEABLE
ELBOW,HOSE
C20631

Frequently Asked Questions

What is NSN 6220-00-300-0781?

NSN 6220-00-300-0781 is a Retainer,lens, manufactured by Porter H K Co Inc Electrical Div Lynchburgh Works, classified under FSC 6220 (No Item Name Available). Status: active.

What are the part numbers for NSN 6220-00-300-0781?

NSN 6220-00-300-0781 has 1 cross-referenced part number: 20631 (Porter H K Co Inc Electrical Div Lynchburgh Works).

What NSN replaces 6220-00-300-0781?

There are 9 known substitutes for 6220-00-300-0781: 3110-00-156-4215, 3110-00-158-6192, 5945-00-257-0017 and 6 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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