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1677-04-421-6153 — RETAINER,LENS

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1677-04-421-6153: RETAINER,LENS.

The RETAINER,LENS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316, overall_diameter: 7.375 INCHES NOMINAL IN, style_designator: FLANGE HOLD DOWN, bolt_circle_diameter: 6.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN, end_item_identification: DOOR-AL,WTQA,, unthreaded_mounting_hole_diameter: 0.406 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. This part is cataloged in the U.S.

Government catalog under NSN 6220-01-679-7803, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
1677-04-421-6153
NSN: 6220-01-679-7803
FSC: 6220 — Electric Vehicular Lights and Fixtures
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 316
overall_diameter7.375 INCHES NOMINAL IN
style_designatorFLANGE HOLD DOWN
bolt_circle_diameter6.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
end_item_identificationDOOR-AL,WTQA,
unthreaded_mounting_hole_diameter0.406 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
mounting_facility_type_and_quantity6 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
material_document_and_classificationASTM-A240 TYPE 316 COND A ASSN STD SINGLE MATERIAL RESPONSE
accommodated_item_securing_device_typeSCREW FASTENER
part_name_assigned_by_controlling_agencyFRAME
distance_from_retainer_center_to_centerline_of_mounting_facility3.1875 INCHES NOMINAL IN
NSN6220-01-679-7803
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,LENS TITLE COMPONENT PN 1677-04-421-6153 MFR RETAINER,LENS
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 6 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
•
DISTANCE FROM RETAINER CENTER TO CENTERLINE OF MOUNTING FACILITY: 3.1875 INCHES NOMINAL IN
•
OVERALL DIAMETER: 7.375 INCHES NOMINAL IN
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.406 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
•
STYLE DESIGNATOR: FLANGE HOLD DOWN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-A240 TYPE 316 COND A ASSN STD SINGLE MATERIAL RESPONSE
•
ACCOMMODATED ITEM SECURING DEVICE TYPE: SCREW FASTENER
•
BOLT CIRCLE DIAMETER: 6.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY6 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
DISTANCE FROM RETAINER CENTER TO CENTERLINE OF MOUNTING FACILITY3.1875 INCHES NOMINAL IN
OVERALL DIAMETER7.375 INCHES NOMINAL IN
UNTHREADED MOUNTING HOLE DIAMETER0.406 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
STYLE DESIGNATORFLANGE HOLD DOWN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A240 TYPE 316 COND A ASSN STD SINGLE MATERIAL RESPONSE
ACCOMMODATED ITEM SECURING DEVICE TYPESCREW FASTENER
BOLT CIRCLE DIAMETER6.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
PART NAME ASSIGNED BY CONTROLLING AGENCYFRAME
END ITEM IDENTIFICATIONDOOR-AL,WTQA,
OTHER ITEMS IN FSC 6220 — Electric Vehicular Lights and Fixtures
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6220-00-001-1462 6220-00-001-1726 6220-00-001-1727 6220-00-001-1728 6220-00-001-1773 6220-00-001-1800 6220-00-001-1809
SUBSTITUTES & CROSS-REFERENCES 1
167-7044216 REV A PC NO. 153Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1677-04-421-6153?
1677-04-421-6153 is a RETAINER,LENS.
What parts can replace 1677-04-421-6153?
There is 1 known substitute for 1677-04-421-6153: 167-7044216 REV A PC NO. 153. Substitute compatibility should be verified for your specific system.
What is the NSN for 1677-04-421-6153?
1677-04-421-6153 is cataloged in the U.S. Government catalog under NSN 6220-01-679-7803. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.