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MS9142-021 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS9142-021: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 OVERALL, outside_diameter: 0.688 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN, style_designator: CIRCULAR, cross-sectional_thickness: 0.061 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN, cross-sectional_shape_style: HOLLOW, material_document_and_classification: AMS5570 MIL STD SINGLE MATERIAL RESPONSE OR AMS5576 MIL STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-446-4959, 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
MS9142-021
NSN: 5330-01-446-4959
FSC: 5330 — Packing and Gasket Materials
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL COMP 321 OVERALL
outside_diameter0.688 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
style_designatorCIRCULAR
cross-sectional_thickness0.061 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
cross-sectional_shape_styleHOLLOW
material_document_and_classificationAMS5570 MIL STD SINGLE MATERIAL RESPONSE OR AMS5576 MIL STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-446-4959
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS9142-021 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 THICKNESS: 0.061 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5570 MIL STD SINGLE MATERIAL RESPONSE OR AMS5576 MIL STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: HOLLOW
•
OUTSIDE DIAMETER: 0.688 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 321 OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.061 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5570 MIL STD SINGLE MATERIAL RESPONSE OR AMS5576 MIL STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEHOLLOW
OUTSIDE DIAMETER0.688 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS9142-021?
MS9142-021 is a GASKET.
What parts can replace MS9142-021?
There is 1 known substitute for MS9142-021: SAE-AS9142. Substitute compatibility should be verified for your specific system.
What is the NSN for MS9142-021?
MS9142-021 is cataloged in the U.S. Government catalog under NSN 5330-01-446-4959. This indicates validated use in U.S. government and defense supply chains.
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