PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

056689Retainer,lens

L3 Technologies, Inc. Div L3 Keo · NSN 6220-01-543-9240 · FSC 6220 · No Item Name Available
Verified by PartsTable
NSN 6220-01-543-9240 — this item is cataloged by the U.S. Government under National Stock Number 6220-01-543-9240. Primary manufacturer part number: 056689.
Features
  • Retainer,lens — FSC 6220
  • Surface Treatment: PASSIVATE
  • Material: STEEL CORROSION RESISTING
  • Surface Treatment Document and Classification: QQ-P-35, TYPE I FED SPEC SINGLE TREATMENT RESPONSE
  • Material Document and Classification: CL 304, CONDITION A QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE
  • Style Designator: IRREGULAR
  • 1 verified cross-reference
  • Primary manufacturer: L3 Technologies, Inc. Div L3 Keo
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Retainer,lens, cataloged under National Stock Number 6220-01-543-9240, is classified within Federal Supply Class 6220 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is L3 Technologies, Inc. Div L3 Keo. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6220-01-543-9240
Primary Part Number056689
Item NameRetainer,lens
FSC / FSG6220 / 62 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div L3 Keo
StatusACTIVE
Surface TreatmentPASSIVATE
MaterialSTEEL CORROSION RESISTING
Surface Treatment Document and ClassificationQQ-P-35, TYPE I FED SPEC SINGLE TREATMENT RESPONSE
Material Document and ClassificationCL 304, CONDITION A QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE
Style DesignatorIRREGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4510-01-099-3753 INTERCHANGEABLE
Stem Assembly,faucet
Cross-Reference Index
Part NumberManufacturer
056689 PRIMARY L3 Technologies, Inc. Div L3 Keo (USA)
Related Parts
4510-01-099-3753INTERCHANGEABLE
STEM ASSEMBLY,FAUCET

Frequently Asked Questions

What is NSN 6220-01-543-9240?

NSN 6220-01-543-9240 is a Retainer,lens, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 6220 (No Item Name Available). Status: active.

What are the part numbers for NSN 6220-01-543-9240?

NSN 6220-01-543-9240 has 1 cross-referenced part number: 056689 (L3 Technologies, Inc. Div L3 Keo).

What NSN replaces 6220-01-543-9240?

There is 1 known substitute for 6220-01-543-9240: 4510-01-099-3753. Verify interchangeability with system specifications before substitution.

What are the specifications of 056689?

Key specifications for 056689: Part Name Assigned by Controlling Agency: RETAINER, WAVE GUIDE; Overall Length: 1.240 INCHES NOMINAL IN; Surface Treatment: PASSIVATE; End Item Identification: 1979903 (03956) 8B, TY8B MOD (3) PERIS MAST ASSY. 10 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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