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031328 ✓ 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,METALLIZED,PAPER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-193-0871, 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
031328
NSN: 4730-00-193-0871
FSC: 4730
CAGE: 31974 — HOFFMAN/NEW YORKER, INC. (USA)
SPECIFICATIONS
Part Number031328
NSN4730-00-193-0871
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 031328 · 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 26
SM-A-617906-7Interchangeable
interchangeable cross-reference
interchangeable
221-56Interchangeable
interchangeable cross-reference
interchangeable
73-107098-1023Interchangeable
interchangeable cross-reference
interchangeable
MS51887-89Interchangeable
interchangeable cross-reference
interchangeable
142269Interchangeable
interchangeable cross-reference
interchangeable
WWP471BEQBULEInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 031328?
031328 is a CAPACITOR,FIXED,METALLIZED,PAPER.
What parts can replace 031328?
There are 26 known substitutes for 031328: SM-A-617906-7, 221-56, 73-107098-1023 and 23 more. Substitute compatibility should be verified for your specific system.
Is 031328 still available?
031328 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