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PartsTable / COMPONENT / 12A053-29
12A053-29 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SEAL RING,METAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, ring_style: CONTRACTING CONCENTRIC, joint_style: STEP JOINT, overall_width: 0.0940 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM IN, inside_diameter: 1.314 INCHES MINIMUM AND 1.324 INCHES MAXIMUM IN, fsc_application_data: CYLINDER,AIRCRAFT HYDRAULIC SYSTEM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-558-2518, 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
12A053-29
NSN: 5330-00-558-2518
FSC: 5330
CAGE: 98391 — ARKWIN INDUSTRIES, INC. DBA ARKWIN INDUSTRIES INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
ring_styleCONTRACTING CONCENTRIC
joint_styleSTEP JOINT
overall_width0.0940 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM IN
inside_diameter1.314 INCHES MINIMUM AND 1.324 INCHES MAXIMUM IN
fsc_application_dataCYLINDER,AIRCRAFT HYDRAULIC SYSTEM
radial_wall_thickness0.0530 INCHES MINIMUM AND 0.0580 INCHES MAXIMUM IN
cross-sectional_shape_stylePLAIN RECTANGULAR, TWO PIECE, STRAIGHT FACE
NSN5330-00-558-2518
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12A053-29 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
JOINT STYLE: STEP JOINT
•
FSC APPLICATION DATA: CYLINDER,AIRCRAFT HYDRAULIC SYSTEM
•
MATERIAL: COPPER ALLOY OVERALL
•
RING STYLE: CONTRACTING CONCENTRIC
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, TWO PIECE, STRAIGHT FACE
•
INSIDE DIAMETER: 1.314 INCHES MINIMUM AND 1.324 INCHES MAXIMUM IN
•
RADIAL WALL THICKNESS: 0.0530 INCHES MINIMUM AND 0.0580 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
JOINT STYLESTEP JOINT
FSC APPLICATION DATACYLINDER,AIRCRAFT HYDRAULIC SYSTEM
MATERIALCOPPER ALLOY OVERALL
RING STYLECONTRACTING CONCENTRIC
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, TWO PIECE, STRAIGHT FACE
INSIDE DIAMETER1.314 INCHES MINIMUM AND 1.324 INCHES MAXIMUM IN
RADIAL WALL THICKNESS0.0530 INCHES MINIMUM AND 0.0580 INCHES MAXIMUM IN
OVERALL WIDTH0.0940 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
22410Interchangeable
interchangeable cross-reference
interchangeable
1246S227Interchangeable
interchangeable cross-reference
interchangeable
UB1007-1Interchangeable
interchangeable cross-reference
interchangeable
65-301Interchangeable
interchangeable cross-reference
interchangeable
01Interchangeable
interchangeable cross-reference
interchangeable
A65301Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12A053-29?
12A053-29 is a SEAL RING,METAL.
What parts can replace 12A053-29?
There are 6 known substitutes for 12A053-29: 22410, 1246S227, UB1007-1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12A053-29?
12A053-29 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-558-2518. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026