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Technical Data Sheet
61564 ✓ Verified by PartsTable
Trefl · 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 SPOTTING INSTRUMENT,OPTICAL is a Trefl optical transceiver module designed for high-speed data center interconnects. Key specifications include material: STEEL COMP 1075 OVERALL, drive_type: SERRATED OR SCREW SLOT, design_type: THREADED, inside_width: 4.375 INCHES NOMINAL IN, thread_class: 3A A, hole_diameter: 0.395 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 5340-00-497-4487, 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
61564
NSN: 5340-00-497-4487
FSC: 5340
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL COMP 1075 OVERALL
drive_typeSERRATED OR SCREW SLOT
design_typeTHREADED
inside_width4.375 INCHES NOMINAL IN
thread_class3A A
hole_diameter0.395 INCHES NOMINAL IN
inside_length5.750 INCHES NOMINAL IN
overall_height0.086 INCHES NOMINAL IN
working_length30.500 INCHES NOMINAL IN
inside_diameter1.250 INCHES NOMINAL IN
outside_diameter0.735 INCHES NOMINAL IN
overall_diameter1.063 INCHES NOMINAL IN
NSN5340-00-497-4487
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 61564 MFR: Trefl ⚠ 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
DRIVE TYPE: SERRATED OR SCREW SLOT
MATERIAL: PLASTIC
THREAD CLASS: 3A A
FEATURES PROVIDED: SHOULDER
DESIGN TYPE: THREADED
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 7/8-14 UNF
OVERALL DIAMETER: 1.063 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Data center switch-to-switch interconnects
  • Server-to-storage fabric connectivity
  • Long-distance fiber optic links
  • High-speed uplink connections (10G/25G/40G/100G)
TECHNICAL CHARACTERISTICS (FLIS)
DRIVE TYPESERRATED OR SCREW SLOT
MATERIALPLASTIC
THREAD CLASS3A A
FEATURES PROVIDEDSHOULDER
DESIGN TYPETHREADED
THREAD SIZE AND SERIES/TYPE DESIGNATOR7/8-14 UNF
OVERALL DIAMETER1.063 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
P344Upgraded Successor
successor cross-reference
successor
E226 REV K PC33Upgraded Successor
successor cross-reference
successor
P-H-31Interchangeable
interchangeable cross-reference
interchangeable
35013Interchangeable
interchangeable cross-reference
interchangeable
HAND CLEANERInterchangeable
interchangeable cross-reference
interchangeable
50MS393Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 61564?
61564 is a SPOTTING INSTRUMENT,OPTICAL manufactured by Trefl.
What parts can replace 61564?
There are 17 known substitutes for 61564: P344, E226 REV K PC33, P-H-31 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 61564?
61564 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-497-4487. This indicates validated use in U.S. government and defense supply chains.
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