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Technical Data Sheet
NS-3983 FIND 2 2IN ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: COPPER AND NICKEL, pilot_height: 0.844 INCHES MINIMUM AND 0.859 INCHES MAXIMUM IN, hole_diameter: 0.156 INCHES NOMINAL IN, pilot_diameter: 3.239 INCHES NOMINAL IN, flange_thickness: 1.281 INCHES NOMINAL IN, outside_diameter: 4.062 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-087-4532, 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
NS-3983 FIND 2 2IN
NSN: 5340-01-087-4532
FSC: 5340
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialCOPPER AND NICKEL
pilot_height0.844 INCHES MINIMUM AND 0.859 INCHES MAXIMUM IN
hole_diameter0.156 INCHES NOMINAL IN
pilot_diameter3.239 INCHES NOMINAL IN
flange_thickness1.281 INCHES NOMINAL IN
outside_diameter4.062 INCHES NOMINAL IN
features_providedSEALING CAPABILITY
peripheral_shape_styleROUND, ONE HOLE
mounting_opening_shape_styleUNTHREADED HOLE
criticality_code_justificationZZZY
bolt_hole_centerline_to_nearest_edge_distance1.875 INCHES NOMINAL IN
reference_number_differentiating_characteristicsQUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
NSN5340-01-087-4532
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NS-3983 FIND 2 2IN 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
PILOT DIAMETER: 3.239 INCHES NOMINAL IN
FLANGE THICKNESS: 1.281 INCHES NOMINAL IN
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE: 1.875 INCHES NOMINAL IN
HOLE DIAMETER: 0.156 INCHES NOMINAL IN
MATERIAL: COPPER AND NICKEL
OUTSIDE DIAMETER: 4.062 INCHES NOMINAL IN
FEATURES PROVIDED: SEALING CAPABILITY
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
TECHNICAL CHARACTERISTICS (FLIS)
PILOT DIAMETER3.239 INCHES NOMINAL IN
FLANGE THICKNESS1.281 INCHES NOMINAL IN
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE1.875 INCHES NOMINAL IN
HOLE DIAMETER0.156 INCHES NOMINAL IN
MATERIALCOPPER AND NICKEL
OUTSIDE DIAMETER4.062 INCHES NOMINAL IN
FEATURES PROVIDEDSEALING CAPABILITY
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
PERIPHERAL SHAPE STYLEROUND, ONE HOLE
PILOT HEIGHT0.844 INCHES MINIMUM AND 0.859 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
300214Interchangeable
interchangeable cross-reference
interchangeable
NS-3983 FIND 2 2INInterchangeable
interchangeable cross-reference
interchangeable
NS-3983 FIND 2 2INL1Interchangeable
interchangeable cross-reference
interchangeable
P-3214Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NS-3983 FIND 2 2IN?
NS-3983 FIND 2 2IN is a COVER,ACCESS.
What parts can replace NS-3983 FIND 2 2IN?
There are 4 known substitutes for NS-3983 FIND 2 2IN: 300214, NS-3983 FIND 2 2IN, NS-3983 FIND 2 2INL1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NS-3983 FIND 2 2IN?
NS-3983 FIND 2 2IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-087-4532. This indicates validated use in U.S. government and defense supply chains.
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