PartsTable
Technical Data Sheet
PartsTable / MRO / 424226
424226 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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,METALLIZED,PAPER. Key specifications include material: PLASTIC CASE, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 0.660 INCHES MAXIMUM IN, body_diameter: 0.300 INCHES MAXIMUM IN, terminal_length: 1.000 INCHES MINIMUM IN, connection_style: PLAIN (OPTIONAL END). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-231-2414, 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
MRO→ MRO_GENERAL→ 424226
NSN: 4730-00-231-2414
FSC: 4730
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length0.660 INCHES MAXIMUM IN
body_diameter0.300 INCHES MAXIMUM IN
terminal_length1.000 INCHES MINIMUM IN
connection_stylePLAIN (OPTIONAL END)
style_designatorCAP
thread_directionRIGHT-HAND INTERNAL
terminal_diameter0.040 INCHES NOMINAL IN
dielectric_materialPLASTIC POLYSTYRENE
nominal_thread_size1.250 INCHES INTERNAL IN
reliability_indicatorNOT ESTABLISHED
NSN4730-00-231-2414
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 424226 · 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
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 1.250 INCHES IN
•
NOMINAL THREAD SIZE: 1.250 INCHES INTERNAL IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CONNECTION STYLE: PLAIN (OPTIONAL END)
•
THREAD DIRECTION: RIGHT-HAND INTERNAL
•
STYLE DESIGNATOR: CAP
•
THREAD SERIES DESIGNATOR: NPT INTERNAL
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)
NOMINAL PIPE SIZE FOR WHICH DESIGNED1.250 INCHES IN
NOMINAL THREAD SIZE1.250 INCHES INTERNAL IN
NONDEFINITIVE SPEC/STD DATA1 TYPE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CONNECTION STYLEPLAIN (OPTIONAL END)
THREAD DIRECTIONRIGHT-HAND INTERNAL
STYLE DESIGNATORCAP
THREAD SERIES DESIGNATORNPT INTERNAL
MATERIALIRON OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
013-404Interchangeable
interchangeable cross-reference
interchangeable
508372Interchangeable
interchangeable cross-reference
interchangeable
ANSI B16.3Interchangeable
interchangeable cross-reference
interchangeable
WW-P-521Interchangeable
interchangeable cross-reference
interchangeable
23A46Interchangeable
interchangeable cross-reference
interchangeable
ASTM B16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 424226?
424226 is a CAPACITOR,FIXED,METALLIZED,PAPER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 424226?
There are 21 known substitutes for 424226: 013-404, 508372, ANSI B16.3 and 18 more. Substitute compatibility should be verified for your specific system.
Is 424226 still available?
424226 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