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503390 — LOCK,SHAFT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

503390: LOCK,SHAFT.

The LOCK,SHAFT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, special_features: MATERIAL DOCUMENT AND CLASSIFICATION ASSN STD ASTM B16, OVERALL, style_designator: HEXAGON, surface_treatment: NICKEL AND CHROMIUM OVERALL, accommodated_shaft_diameter: 0.177 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5355-00-644-1813, 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
503390
NSN: 5355-00-644-1813
FSC: 5355 — Knobs and Pointers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
special_featuresMATERIAL DOCUMENT AND CLASSIFICATION ASSN STD ASTM B16, OVERALL
style_designatorHEXAGON
surface_treatmentNICKEL AND CHROMIUM OVERALL
accommodated_shaft_diameter0.177 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
NSN5355-00-644-1813
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LOCK,SHAFT TITLE COMPONENT PN 503390 MFR LOCK,SHAFT
KEY FEATURES
•
STYLE DESIGNATOR: HEXAGON
•
ACCOMMODATED SHAFT DIAMETER: 0.177 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
•
SURFACE TREATMENT: NICKEL AND CHROMIUM OVERALL
•
MATERIAL: COPPER ALLOY 360 OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORHEXAGON
SPECIAL FEATURESMATERIAL DOCUMENT AND CLASSIFICATION ASSN STD ASTM B16, OVERALL
ACCOMMODATED SHAFT DIAMETER0.177 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
SURFACE TREATMENTNICKEL AND CHROMIUM OVERALL
MATERIALCOPPER ALLOY 360 OVERALL
OTHER ITEMS IN FSC 5355 — Knobs and Pointers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5355-00-000-5777 5355-00-001-2029 5355-00-001-2403 5355-00-001-4109 5355-00-001-4677 5355-00-001-4724 5355-00-001-4730 5355-00-001-4734
SUBSTITUTES & CROSS-REFERENCES 2
ES0-697931-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
AD3181446Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 503390?
503390 is a LOCK,SHAFT.
What parts can replace 503390?
There are 2 known substitutes for 503390: ES0-697931-2, AD3181446. Substitute compatibility should be verified for your specific system.
What is the NSN for 503390?
503390 is cataloged in the U.S. Government catalog under NSN 5355-00-644-1813. 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.