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EP3500-40P73-STRN — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

EP3500-40P73-STRN: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING CASE, case_style: RECESSED, seal_width: 0.640 INCHES NOMINAL IN, lip_inside_diameter: 3.50 INCHES NOMINAL IN, center_hole_diameter: 3.28 INCHES NOMINAL IN, base_outside_diameter: 3.90 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-660-1518, 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
EP3500-40P73-STRN
NSN: 5330-01-660-1518
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING CASE
case_styleRECESSED
seal_width0.640 INCHES NOMINAL IN
lip_inside_diameter3.50 INCHES NOMINAL IN
center_hole_diameter3.28 INCHES NOMINAL IN
base_outside_diameter3.90 INCHES NOMINAL IN
sealing_element_styleVERTICAL
cross-sectional_thickness0.750 INCHES NOMINAL IN
accommodated_shaft_diameter3.25 INCHES NOMINAL IN
material_document_and_classificationCONNECTOR STAINLESS STEEL PER MT-14,CLAMP IAW NSN 4730-01-518-5352 MFR REF SINGLE MATERIAL RESPONSE CASE
part_name_assigned_by_controlling_agencyJOINT SEALING ASSY
NSN5330-01-660-1518
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: EP3500-40P73-STRN 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
•
LIP INSIDE DIAMETER: 3.50 INCHES NOMINAL IN
•
SEAL WIDTH: 0.640 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.750 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: VERTICAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: PELLATHANE 2103-70A MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT A
•
CASE STYLE: RECESSED
•
BASE OUTSIDE DIAMETER: 3.90 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LIP INSIDE DIAMETER3.50 INCHES NOMINAL IN
SEAL WIDTH0.640 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.750 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL
MATERIAL DOCUMENT AND CLASSIFICATIONPELLATHANE 2103-70A MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT A
MATERIAL DOCUMENT AND CLASSIFICATIONCONNECTOR STAINLESS STEEL PER MT-14,CLAMP IAW NSN 4730-01-518-5352 MFR REF SINGLE MATERIAL RESPONSE CASE
CASE STYLERECESSED
BASE OUTSIDE DIAMETER3.90 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER3.25 INCHES NOMINAL IN
CENTER HOLE DIAMETER3.28 INCHES NOMINAL IN
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
STD-820-6896275(MT-44)Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 EP3500-40P73-STRN?
EP3500-40P73-STRN is a SEAL,PLAIN ENCASED.
What parts can replace EP3500-40P73-STRN?
There is 1 known substitute for EP3500-40P73-STRN: STD-820-6896275(MT-44). Substitute compatibility should be verified for your specific system.
What is the NSN for EP3500-40P73-STRN?
EP3500-40P73-STRN is cataloged in the U.S. Government catalog under NSN 5330-01-660-1518. This indicates validated use in U.S. government and defense supply chains.
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