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Technical Data Sheet
PartsTable / COMPONENT / 58187
58187 ✓ 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: IRON MALLEABLE HOUSING, head_style: PAN, head_height: 0.017 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.109 INCHES NOMINAL IN, thread_length: 0.103 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-288-9513, 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
58187
NSN: 4730-00-288-9513
FSC: 4730
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialIRON MALLEABLE HOUSING
head_stylePAN
head_height0.017 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.109 INCHES NOMINAL IN
thread_length0.103 INCHES MAXIMUM IN
screw_materialCOPPER ALLOY 360
fastener_length0.103 INCHES NOMINAL IN
segment_quantity2
special_featuresSTEEL BOLTS AND NUTS CADMIUM PLATED
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
NSN4730-00-288-9513
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 58187 · 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
•
MATERIAL: IRON MALLEABLE HOUSING
•
PIPE SIZE ACCOMMODATED: 2.000 INCHES NOMINAL IN
•
SEGMENT QUANTITY: 2
•
END TYPE FOR WHICH DESIGNED: GROOVED
•
WORKING PRESSURE RATING: 1000.000 KILOGRAMS PER SQUARE CENTIMETER NOMINAL KG
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 2 SIZE
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)
MATERIALIRON MALLEABLE HOUSING
PIPE SIZE ACCOMMODATED2.000 INCHES NOMINAL IN
SPECIAL FEATURESSTEEL BOLTS AND NUTS CADMIUM PLATED
SEGMENT QUANTITY2
END TYPE FOR WHICH DESIGNEDGROOVED
MATERIALRUBBER BUTADIENE NITRILE GASKET
WORKING PRESSURE RATING1000.000 KILOGRAMS PER SQUARE CENTIMETER NOMINAL KG
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2 SIZE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
MILC10387TYPE1Interchangeable
interchangeable cross-reference
interchangeable
M10387-2-B-10Interchangeable
interchangeable cross-reference
interchangeable
231-0409Interchangeable
interchangeable cross-reference
interchangeable
581531Interchangeable
interchangeable cross-reference
interchangeable
ANSI/AWWA C606Interchangeable
interchangeable cross-reference
interchangeable
C-020-077-P-E0Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 58187?
58187 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace 58187?
There are 27 known substitutes for 58187: MILC10387TYPE1, M10387-2-B-10, 231-0409 and 24 more. Substitute compatibility should be verified for your specific system.
Is 58187 still available?
58187 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