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PartsTable / COMPONENT / 5558 1-2MTLPKG
5558 1-2MTLPKG ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include cut_type: RECTANGULAR OVERALL, material: LEAD OVERALL, joint_type: OVERLAY OVERALL, peripheral_diameter: 0.781 INCHES NOMINAL IN, center_hole_diameter: 0.625 INCHES NOMINAL IN, cross-sectional_height: 0.312 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-290-5797, 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
5558 1-2MTLPKG
NSN: 5330-00-290-5797
FSC: 5330
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
cut_typeRECTANGULAR OVERALL
materialLEAD OVERALL
joint_typeOVERLAY OVERALL
peripheral_diameter0.781 INCHES NOMINAL IN
center_hole_diameter0.625 INCHES NOMINAL IN
cross-sectional_height0.312 INCHES NOMINAL IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
nondefinitive_spec/std_dataA GRADE
departure_from_cited_designatorAS MODIFIED BY MATERIAL
NSN5330-00-290-5797
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5558 1-2MTLPKG 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
•
CROSS-SECTIONAL HEIGHT: 0.312 INCHES NOMINAL IN
•
JOINT TYPE: OVERLAY OVERALL
•
PERIPHERAL DIAMETER: 0.781 INCHES NOMINAL IN
•
CUT TYPE: RECTANGULAR OVERALL
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY MATERIAL
•
NONDEFINITIVE SPEC/STD DATA: A GRADE
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
MATERIAL: LEAD OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.312 INCHES NOMINAL IN
JOINT TYPEOVERLAY OVERALL
PERIPHERAL DIAMETER0.781 INCHES NOMINAL IN
CUT TYPERECTANGULAR OVERALL
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY MATERIAL
NONDEFINITIVE SPEC/STD DATAA GRADE
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
MATERIALLEAD OVERALL
CENTER HOLE DIAMETER0.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
601E 1.351 X 1.516 X .234Interchangeable
interchangeable cross-reference
interchangeable
51-527PC246Interchangeable
interchangeable cross-reference
interchangeable
59666-1000Interchangeable
interchangeable cross-reference
interchangeable
51-527PC248Interchangeable
interchangeable cross-reference
interchangeable
601E 1.245 X 1.516 X .219Interchangeable
interchangeable cross-reference
interchangeable
M37966-1PC248Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5558 1-2MTLPKG?
5558 1-2MTLPKG is a PACKING,PREFORMED.
What parts can replace 5558 1-2MTLPKG?
There are 23 known substitutes for 5558 1-2MTLPKG: 601E 1.351 X 1.516 X .234, 51-527PC246, 59666-1000 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5558 1-2MTLPKG?
5558 1-2MTLPKG is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-290-5797. 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