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MS9142-043 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS9142-043: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 OVERALL, outside_diameter: 1.500 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.433 INCHES MINIMUM AND 1.444 INCHES MAXIMUM IN, end_item_identification: PACER DAWN, material_document_and_classification: AMS5570 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-356-8779, 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
MS9142-043
NSN: 5330-01-356-8779
FSC: 5330 — Packing and Gasket Materials
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL COMP 321 OVERALL
outside_diameter1.500 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.433 INCHES MINIMUM AND 1.444 INCHES MAXIMUM IN
end_item_identificationPACER DAWN
material_document_and_classificationAMS5570 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-356-8779
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS9142-043 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
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5570 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.500 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.433 INCHES MINIMUM AND 1.444 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 321 OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5570 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
APERTURE DIAMETER1.433 INCHES MINIMUM AND 1.444 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONPACER DAWN
MATERIALSTEEL COMP 321 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
SAE-AS9142Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS9142-043?
MS9142-043 is a GASKET.
What parts can replace MS9142-043?
There is 1 known substitute for MS9142-043: SAE-AS9142. Substitute compatibility should be verified for your specific system.
What is the NSN for MS9142-043?
MS9142-043 is cataloged in the U.S. Government catalog under NSN 5330-01-356-8779. 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.