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74B410059-103 — RING,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

74B410059-103: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 EXPANDER, joint_style: STEP JOINT, fsc_application_data: ACFT LANDING GEAR, standard_bore_diameter: 3.618 INCHES IN, material_document_and_classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE EXPANDER. This part is cataloged in the U.S.

Government catalog under NSN 4310-01-107-6746, 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
74B410059-103
NSN: 4310-01-107-6746
FSC: 4310 — Compressors and Vacuum Pumps
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 301 EXPANDER
joint_styleSTEP JOINT
fsc_application_dataACFT LANDING GEAR
standard_bore_diameter3.618 INCHES IN
material_document_and_classificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE EXPANDER
NSN4310-01-107-6746
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN 74B410059-103 MFR RING,PISTON
KEY FEATURES
•
FSC APPLICATION DATA: ACFT LANDING GEAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: 22-S3 MFR REF SINGLE MATERIAL RESPONSE OUTSIDE PERIPHERY
•
JOINT STYLE: STEP JOINT
•
STANDARD BORE DIAMETER: 3.618 INCHES IN
•
MATERIAL: PLASTIC TETRAFLUOROETHYLENE OUTSIDE PERIPHERY
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAACFT LANDING GEAR
MATERIAL DOCUMENT AND CLASSIFICATION22-S3 MFR REF SINGLE MATERIAL RESPONSE OUTSIDE PERIPHERY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE EXPANDER
JOINT STYLESTEP JOINT
STANDARD BORE DIAMETER3.618 INCHES IN
MATERIALPLASTIC TETRAFLUOROETHYLENE OUTSIDE PERIPHERY
MATERIALSTEEL COMP 301 EXPANDER
OTHER ITEMS IN FSC 4310 — Compressors and Vacuum Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4310-00-000-0050 4310-00-001-0059 4310-00-001-2044 4310-00-001-3477 4310-00-001-3493 4310-00-001-6194 4310-00-001-6381 4310-00-001-7755
SUBSTITUTES & CROSS-REFERENCES 1
10110551Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74B410059-103?
74B410059-103 is a RING,PISTON.
What parts can replace 74B410059-103?
There is 1 known substitute for 74B410059-103: 10110551. Substitute compatibility should be verified for your specific system.
What is the NSN for 74B410059-103?
74B410059-103 is cataloged in the U.S. Government catalog under NSN 4310-01-107-6746. 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.