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Technical Data Sheet
3639 ✓ Verified by PartsTable
Esselte · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The high quality of Esselte Standard boxes has been appreciated by our customers for more than 25 years. Tons of documents are packed into Esselte Standard boxes every year in workplaces across all sectors. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-065-6056, 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
MRO MRO_GENERAL 3639
NSN: 5330-00-065-6056
FSC: 5330
CAGE: 26344 — NEW HAVEN MFG CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_width2.810 INCHES NOMINAL IN
body_height3.400 INCHES MAXIMUM IN
body_length4.120 INCHES MAXIMUM IN
hole_diameter0.194 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
overall_length20.000 INCHES NOMINAL IN
mounting_methodSLOT SINGLE GROUP
frequency_rating60.0 HERTZ NOMINAL SINGLE COMPONENT
outside_diameter0.375 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
mounting_positionVERTICAL
NSN5330-00-065-6056
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3639 MFR: Esselte ⚠ 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
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 2.312 IN. LG,1.312 IN. W,0.062 IN. H,NEOPRENE MIL-R-3065-SC-312,TEMP RANGE MINUS 65 DEG C TO PLUS 85 DEG C IN
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTION2.312 IN. LG,1.312 IN. W,0.062 IN. H,NEOPRENE MIL-R-3065-SC-312,TEMP RANGE MINUS 65 DEG C TO PLUS 85 DEG C IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
3639Interchangeable
interchangeable cross-reference
interchangeable
50449Interchangeable
interchangeable cross-reference
interchangeable
2105202Interchangeable
interchangeable cross-reference
interchangeable
500K0831Interchangeable
interchangeable cross-reference
interchangeable
6515NCM139695Interchangeable
interchangeable cross-reference
interchangeable
1166737Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3639?
3639 is a CAPACITOR,FIXED,CERAMIC DIELECTR manufactured by Esselte. It is classified as a MRO (MRO_GENERAL).
What parts can replace 3639?
There are 8 known substitutes for 3639: 3639, 50449, 2105202 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3639?
3639 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-065-6056. This indicates validated use in U.S. government and defense supply chains.
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