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52-B-9440-2 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

52-B-9440-2: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, seal_width: 0.500 INCHES NOMINAL IN, construction: SOLID, housing_bore_diameter: 2.623 INCHES MINIMUM AND 2.627 INCHES MAXIMUM IN, accommodated_shaft_diameter: 1.562 INCHES NOMINAL IN, cross-sectional_shape_style: DUAL LIP. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-485-0788, 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
52-B-9440-2
NSN: 5330-00-485-0788
FSC: 5330 — Packing and Gasket Materials
CAGE: 21439 — CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC DBA ENGINEERED ARRESTING SYSTEMS - ESCO DIV CW FLOW CONTROL SVC LLC DBA (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
seal_width0.500 INCHES NOMINAL IN
constructionSOLID
housing_bore_diameter2.623 INCHES MINIMUM AND 2.627 INCHES MAXIMUM IN
accommodated_shaft_diameter1.562 INCHES NOMINAL IN
cross-sectional_shape_styleDUAL LIP
NSN5330-00-485-0788
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 52-B-9440-2 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: 0.500 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 2.623 INCHES MINIMUM AND 2.627 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: DUAL LIP
•
ACCOMMODATED SHAFT DIAMETER: 1.562 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.500 INCHES NOMINAL IN
HOUSING BORE DIAMETER2.623 INCHES MINIMUM AND 2.627 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEDUAL LIP
ACCOMMODATED SHAFT DIAMETER1.562 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
CONSTRUCTIONSOLID
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 2
156W262Reference document
Same NSN cross-reference
Reference document — Secondary reference
5330PL1589759Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 52-B-9440-2?
52-B-9440-2 is a SEAL,PLAIN.
What parts can replace 52-B-9440-2?
There are 2 known substitutes for 52-B-9440-2: 156W262, 5330PL1589759. Substitute compatibility should be verified for your specific system.
What is the NSN for 52-B-9440-2?
52-B-9440-2 is cataloged in the U.S. Government catalog under NSN 5330-00-485-0788. This indicates validated use in U.S. government and defense supply chains.
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