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Technical Data Sheet

MIL-L-81174/1 — LIGHT,LANDING,AIRCRAFT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

MIL-L-81174/1: LIGHT,LANDING,AIRCRAFT.

The LIGHT,LANDING,AIRCRAFT is a the manufacturer industrial component. Key specifications include material: STEEL UNS K08500 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, coil_quantity: 5-1/2, inside_diameter: 1.033 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN, style_designator: CYLINDRICAL, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 6220-00-299-4621, 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
MIL-L-81174/1
NSN: 6220-00-299-4621
FSC: 6220 — Electric Vehicular Lights and Fixtures
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL UNS K08500 OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity5-1/2
inside_diameter1.033 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN
style_designatorCYLINDRICAL
surface_treatmentZINC OVERALL
spring_free_length1.548 INCHES MINIMUM AND 1.798 INCHES MAXIMUM IN
spring_solid_length0.725 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_free_outside_diameter1.281 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
material_document_and_classificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN6220-00-299-4621
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LIGHT,LANDING,AIRCRAFT TITLE COMPONENT PN MIL-L-81174/1 MFR LIGHT,LANDING,AIRCRAFT
SUBSTITUTES & CROSS-REFERENCES 5
272B308042Reference document
Same NSN cross-reference
Reference document — Secondary reference
8555M1Reference document
Same NSN cross-reference
Reference document — Secondary reference
M81174/1-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
1593-503Reference document
Same NSN cross-reference
Reference document — Secondary reference
G-5400-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
HAZMAT per U.S. Government catalogAcquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is MIL-L-81174/1?
MIL-L-81174/1 is a LIGHT,LANDING,AIRCRAFT.
What parts can replace MIL-L-81174/1?
There are 5 known substitutes for MIL-L-81174/1: 272B308042, 8555M1, M81174/1-1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-L-81174/1?
MIL-L-81174/1 is cataloged in the U.S. Government catalog under NSN 6220-00-299-4621. 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.