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CS2815-0021 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

CS2815-0021: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: ALUMINUM ALLOY, design_type: SPLIT, end_diameter: 2.5540 INCHES NOMINAL IN, bore_diameter: 1.7500 INCHES NOMINAL IN, overall_height: 0.8750 INCHES NOMINAL IN, style_designator: SEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-175-7237, 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
CS2815-0021
NSN: 5340-00-175-7237
FSC: 5340 — Hardware, Commercial
CAGE: 18954 — KORODY-COLYER CORP A CR INDUSTRIES CO (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
design_typeSPLIT
end_diameter2.5540 INCHES NOMINAL IN
bore_diameter1.7500 INCHES NOMINAL IN
overall_height0.8750 INCHES NOMINAL IN
style_designatorSEAT
counterbore_length0.6250 INCHES NOMINAL IN
counterbore_diameter2.3120 INCHES NOMINAL IN
spherical_seat_top_radius2.3450 INCHES MINIMUM AND 2.3500 INCHES MAXIMUM IN
NSN5340-00-175-7237
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CS2815-0021 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
•
END DIAMETER: 2.5540 INCHES NOMINAL IN
•
DESIGN TYPE: SPLIT
•
STYLE DESIGNATOR: SEAT
•
COUNTERBORE LENGTH: 0.6250 INCHES NOMINAL IN
•
COUNTERBORE DIAMETER: 2.3120 INCHES NOMINAL IN
•
SPHERICAL SEAT TOP RADIUS: 2.3450 INCHES MINIMUM AND 2.3500 INCHES MAXIMUM IN
•
BORE DIAMETER: 1.7500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.8750 INCHES NOMINAL IN
END DIAMETER2.5540 INCHES NOMINAL IN
DESIGN TYPESPLIT
STYLE DESIGNATORSEAT
COUNTERBORE LENGTH0.6250 INCHES NOMINAL IN
COUNTERBORE DIAMETER2.3120 INCHES NOMINAL IN
SPHERICAL SEAT TOP RADIUS2.3450 INCHES MINIMUM AND 2.3500 INCHES MAXIMUM IN
BORE DIAMETER1.7500 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY
SUBSTITUTES & CROSS-REFERENCES 3
3242894Reference document
Same NSN cross-reference
Reference document — Secondary reference
3234931Reference document
Same NSN cross-reference
Reference document — Secondary reference
3242896Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CS2815-0021?
CS2815-0021 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace CS2815-0021?
There are 3 known substitutes for CS2815-0021: 3242894, 3234931, 3242896. Substitute compatibility should be verified for your specific system.
What is the NSN for CS2815-0021?
CS2815-0021 is cataloged in the U.S. Government catalog under NSN 5340-00-175-7237. This indicates validated use in U.S. government and defense supply chains.
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