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9379431 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9379431: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 AND STEEL COMP 1020 OVERALL, case_style: SQUARE, seal_width: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN, surface_treatment: ZINC OVERALL, sealing_element_style: VERTICAL, accommodated_shaft_diameter: 1.439 INCHES MINIMUM AND 1.443 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-281-1339, 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
9379431
NSN: 5330-01-281-1339
FSC: 5330 — Packing and Gasket Materials
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 AND STEEL COMP 1020 OVERALL
case_styleSQUARE
seal_width0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
surface_treatmentZINC OVERALL
sealing_element_styleVERTICAL
accommodated_shaft_diameter1.439 INCHES MINIMUM AND 1.443 INCHES MAXIMUM IN
surface_treatment_document_and_classificationQQ-Z-325,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5330-01-281-1339
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9379431 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
•
SEAL WIDTH: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SEALING ELEMENT STYLE: VERTICAL
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 1.439 INCHES MINIMUM AND 1.443 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ZINC OVERALL
•
MATERIAL: STEEL COMP 1010 AND STEEL COMP 1020 OVERALL
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SEALING ELEMENT STYLEVERTICAL
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER1.439 INCHES MINIMUM AND 1.443 INCHES MAXIMUM IN
SURFACE TREATMENTZINC OVERALL
MATERIALSTEEL COMP 1010 AND STEEL COMP 1020 OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
S-280747Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9379431?
9379431 is a SEAL,PLAIN ENCASED.
What parts can replace 9379431?
There is 1 known substitute for 9379431: S-280747. Substitute compatibility should be verified for your specific system.
What is the NSN for 9379431?
9379431 is cataloged in the U.S. Government catalog under NSN 5330-01-281-1339. This indicates validated use in U.S. government and defense supply chains.
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