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Technical Data Sheet
PartsTable / COMPONENT / 118537
118537 ✓ 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

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include material: STEEL COMP 303 OVERALL, wire_loop: NOT INCLUDED, thread_class: 3B, physical_form: SOLID, thread_length: 0.281 INCHES NOMINAL IN, overall_length: 0.250 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-011-8537, 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
118537
NSN: 4730-00-011-8537
FSC: 4730
CAGE: 30379 — EUCLID INC (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
wire_loopNOT INCLUDED
thread_class3B
physical_formSOLID
thread_length0.281 INCHES NOMINAL IN
overall_length0.250 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
mounting_methodUNTHREADED HOLE(S)
pin_grip_length3.453 INCHES NOMINAL IN
overall_diameter0.875 INCHES MAXIMUM IN
special_featuresUNIT CAN BE STUCK ON SURFACE OR HUNG FROM TAB; DISK SHAPE
active_ingredientANY ACCEPTABLE
features_providedHERMETICALLY SEALED CASE
NSN4730-00-011-8537
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 118537 · 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
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
4-010110BInterchangeable
interchangeable cross-reference
interchangeable
21110X4Interchangeable
interchangeable cross-reference
interchangeable
5061K12Interchangeable
interchangeable cross-reference
interchangeable
69031C91Interchangeable
interchangeable cross-reference
interchangeable
FP2152Interchangeable
interchangeable cross-reference
interchangeable
JHP110-189Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 118537?
118537 is a CAPACITOR,FIXED,MICA DIELECTRIC.
What parts can replace 118537?
There are 33 known substitutes for 118537: 4-010110B, 21110X4, 5061K12 and 30 more. Substitute compatibility should be verified for your specific system.
Is 118537 still available?
118537 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