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Technical Data Sheet
PartsTable / COMPONENT / MX292718-842
MX292718-842 ✓ 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 GASKET,SPIRAL WOUND is a the manufacturer industrial component. Key specifications include material: STEEL AND GRAPHITE OR STEEL AND CHLORITE SPIRAL WOUND FILLER, aperture_width: 3.375 INCHES NOMINAL3.375 INCHES NOMINAL IN, aperture_length: 3.750 INCHES NOMINAL3.750 INCHES NOMINAL IN, style_designator: DIAMOND, bearing_surface_width: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN, cross-sectional_thickness: 0.125 INCHES NOMINAL0.125 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 5330-00-306-1128, 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
MX292718-842
NSN: 5330-00-306-1128
FSC: 5330
CAGE: 05073 — BABCOCK & WILCOX CO (USA)
SPECIFICATIONS
materialSTEEL AND GRAPHITE OR STEEL AND CHLORITE SPIRAL WOUND FILLER
aperture_width3.375 INCHES NOMINAL3.375 INCHES NOMINAL IN
aperture_length3.750 INCHES NOMINAL3.750 INCHES NOMINAL IN
style_designatorDIAMOND
bearing_surface_width0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
nondefinitive_spec/std_data1 CLASS AND 1500 SERIES
material_document_and_classificationMIL-P-24503 MIL SPEC 2ND MATERIAL RESPONSE SPIRAL WOUND FILLER
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY DIMENSIONS
NSN5330-00-306-1128
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MX292718-842 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
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS DIFFERENTIATED BY DIMENSIONS
•
BEARING SURFACE WIDTH: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
•
APERTURE WIDTH: 3.375 INCHES NOMINAL3.375 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
•
APERTURE LENGTH: 3.750 INCHES NOMINAL3.750 INCHES NOMINAL IN
•
MATERIAL: STEEL AND GRAPHITE OR STEEL AND CHLORITE SPIRAL WOUND FILLER
•
STYLE DESIGNATOR: DIAMOND
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-24503 MIL SPEC 2ND MATERIAL RESPONSE SPIRAL WOUND FILLER
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY DIMENSIONS
BEARING SURFACE WIDTH0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
APERTURE WIDTH3.375 INCHES NOMINAL3.375 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
APERTURE LENGTH3.750 INCHES NOMINAL3.750 INCHES NOMINAL IN
MATERIALSTEEL AND GRAPHITE OR STEEL AND CHLORITE SPIRAL WOUND FILLER
STYLE DESIGNATORDIAMOND
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-24503 MIL SPEC 2ND MATERIAL RESPONSE SPIRAL WOUND FILLER
CROSS-SECTIONAL SHAPE STYLEMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
NONDEFINITIVE SPEC/STD DATA1 CLASS AND 1500 SERIES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
803-5959278Interchangeable
interchangeable cross-reference
interchangeable
MIL-G-15342Interchangeable
interchangeable cross-reference
interchangeable
5000S5101F841218Interchangeable
interchangeable cross-reference
interchangeable
5000S5101F841218TYPE5Interchangeable
interchangeable cross-reference
interchangeable
5000S5101F841218TYPE2Interchangeable
interchangeable cross-reference
interchangeable
MILG16959Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MX292718-842?
MX292718-842 is a GASKET,SPIRAL WOUND.
What parts can replace MX292718-842?
There are 14 known substitutes for MX292718-842: 803-5959278, MIL-G-15342, 5000S5101F841218 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MX292718-842?
MX292718-842 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-306-1128. 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