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Technical Data Sheet
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444595 ✓ 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 end_item_identification: MRAP - UNIQUE NSN - USED ON 3 MRAP VARIANTS, part_name_assigned_by_controlling_agency: PLUG, 3/4-14 ZNP SQ/HD AUTO PI. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-274-5554, 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
444595
NSN: 4730-00-274-5554
FSC: 4730
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
end_item_identificationMRAP - UNIQUE NSN - USED ON 3 MRAP VARIANTS
part_name_assigned_by_controlling_agencyPLUG, 3/4-14 ZNP SQ/HD AUTO PI
NSN4730-00-274-5554
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 444595 · 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
•
BODY TYPE: SOLID
•
NOMINAL THREAD SIZE: 0.750 INCHES EXTERNAL IN
•
MATERIAL: IRON OR STEEL OVERALL
•
HEAD TYPE: SOLID
•
CONNECTION STYLE: PLAIN
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.750 INCHES IN
•
DRIVE END STYLE: RAISED SQUARE
•
SURFACE TREATMENT: OXIDE OVERALL
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)
BODY TYPESOLID
NOMINAL THREAD SIZE0.750 INCHES EXTERNAL IN
MATERIALIRON OR STEEL OVERALL
HEAD TYPESOLID
CONNECTION STYLEPLAIN
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.750 INCHES IN
DRIVE END STYLERAISED SQUARE
SURFACE TREATMENTOXIDE OVERALL
THREAD DIRECTIONRIGHT-HAND EXTERNAL
THREAD SERIES DESIGNATORNPTF EXTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
P112Interchangeable
interchangeable cross-reference
interchangeable
366-1Interchangeable
IBM SAS X-Cable 3m
interchangeable
51968Interchangeable
interchangeable cross-reference
interchangeable
24-562BKInterchangeable
interchangeable cross-reference
interchangeable
D92Interchangeable
interchangeable cross-reference
interchangeable
137025HInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 444595?
444595 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace 444595?
There are 25 known substitutes for 444595: P112, 366-1, 51968 and 22 more. Substitute compatibility should be verified for your specific system.
Is 444595 still available?
444595 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026