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Technical Data Sheet
N63642 ✓ 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

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL COMP 416, material_document_and_classification: AISI 416 ASSN STD SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-205-3894, 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
N63642
NSN: 5340-01-205-3894
FSC: 5340
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 416
material_document_and_classificationAISI 416 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-01-205-3894
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N63642 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
MATERIAL DOCUMENT AND CLASSIFICATION: AISI 416 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL: STEEL COMP 416
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 416 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 416
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
3160Interchangeable
interchangeable cross-reference
interchangeable
6364-2Interchangeable
interchangeable cross-reference
interchangeable
31332Interchangeable
interchangeable cross-reference
interchangeable
25460 N PIECE 5Interchangeable
Same NIIN cross-reference
interchangeable
25460N SHT 2 PC 5 QCLNS DESIGNInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N63642?
N63642 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace N63642?
There are 5 known substitutes for N63642: 3160, 6364-2, 31332 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N63642?
N63642 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-205-3894. This indicates validated use in U.S. government and defense supply chains.
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