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Technical Data Sheet
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112544 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The CAPACITOR,FIXED,ELECTROLYTIC is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include material: ALUMINUM ALLOY HOUSING, thread_size: 0.438-20 AND 0.750-16 AND 0.750.16, spline_pitch: 20/30, mounting_type: FLANGE, spline_length: 0.600 INCHES NOMINAL IN, pitch_diameter: 0.800 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 4730-00-554-9096, 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
112544
NSN: 4730-00-554-9096
FSC: 4730
CAGE: 93835 — PARKER HANNIFIN CORPORATION DIV HYDRAULIC SYSTEMS DIVISION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY HOUSING
thread_size0.438-20 AND 0.750-16 AND 0.750.16
spline_pitch20/30
mounting_typeFLANGE
spline_length0.600 INCHES NOMINAL IN
pitch_diameter0.800 INCHES NOMINAL IN
connection_typeINLET
spline_quantity16
thread_locationINTERNAL
drive_shaft_typeSPLINED, INVOLUTE EXTERNAL
thread_directionRIGHT-HAND
connection_designTHREADED
NSN4730-00-554-9096
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 112544 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD SERIES DESIGNATOR: NPTF SECOND END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
•
NOMINAL OVERALL LENGTH: 1.125 INCHES IN
•
SURFACE TREATMENT: PASSIVATE OUTSIDE
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.255 INCHES FIRST END IN
•
CONNECTION STYLE: PLAIN (PIPE) SECOND END
•
NOMINAL THREAD SIZE: 0.500 INCHES FIRST END 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)
THREAD SERIES DESIGNATORNPTF SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
NOMINAL OVERALL LENGTH1.125 INCHES IN
THREAD SERIES DESIGNATORUNF FIRST END
SURFACE TREATMENTPASSIVATE OUTSIDE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.255 INCHES FIRST END IN
CONNECTION STYLEPLAIN (PIPE) SECOND END
NOMINAL THREAD SIZE0.500 INCHES FIRST END IN
SEAT NOMINAL RADIUS0.312 INCHES FIRST END IN
SURFACE TREATMENTPASSIVATE INSIDE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
114SS660-1Interchangeable
interchangeable cross-reference
interchangeable
MF36-3909-30Z2Interchangeable
interchangeable cross-reference
interchangeable
112542Interchangeable
interchangeable cross-reference
interchangeable
112544Interchangeable
interchangeable cross-reference
interchangeable
MF36-3909-30ZG2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 112544?
112544 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace 112544?
There are 5 known substitutes for 112544: 114SS660-1, MF36-3909-30Z2, 112542 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 112544?
112544 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-554-9096. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026