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F3933 ✓ 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: COPPER ALLOY OVERALL, leg_length: 0.516 INCHES NOMINAL ALL ENDS IN, thread_class: 3B ALL ENDS, connection_type: THREADED INTERNAL TUBE ALL ENDS, connection_style: PLAIN (TUBE) ALL ENDS, special_features: WEAPON SYSTEM ESSENTIAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-164-0697, 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
F3933
NSN: 4730-00-164-0697
FSC: 4730
CAGE: 63477 — FEDERAL MOGUL CORP SUB WAGNER BRAKE MOOG AUTOMOTIVE DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
leg_length0.516 INCHES NOMINAL ALL ENDS IN
thread_class3B ALL ENDS
connection_typeTHREADED INTERNAL TUBE ALL ENDS
connection_stylePLAIN (TUBE) ALL ENDS
special_featuresWEAPON SYSTEM ESSENTIAL
nominal_thread_size0.438 INCHES ALL ENDS IN
thread_series_designatorUNF ALL ENDS
criticality_code_justificationFEAT
nominal_outside_diameter_tube_accommodated0.250 INCHES ALL ENDS IN
NSN4730-00-164-0697
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: F3933 · 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
•
CONNECTION STYLE: PLAIN (TUBE) ALL ENDS
•
LEG LENGTH: 0.516 INCHES NOMINAL ALL ENDS IN
•
MATERIAL: COPPER ALLOY OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES ALL ENDS IN
•
CONNECTION TYPE: THREADED INTERNAL TUBE ALL ENDS
•
THREAD SERIES DESIGNATOR: UNF ALL ENDS
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)
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
CONNECTION STYLEPLAIN (TUBE) ALL ENDS
LEG LENGTH0.516 INCHES NOMINAL ALL ENDS IN
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
MATERIALCOPPER ALLOY OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES ALL ENDS IN
CONNECTION TYPETHREADED INTERNAL TUBE ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES ALL ENDS IN
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
M5211TVInterchangeable
interchangeable cross-reference
interchangeable
5211TSInterchangeable
interchangeable cross-reference
interchangeable
8705663Interchangeable
interchangeable cross-reference
interchangeable
7765Interchangeable
interchangeable cross-reference
interchangeable
513032Interchangeable
interchangeable cross-reference
interchangeable
302703Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F3933?
F3933 is a CAPACITOR,FIXED,MICA DIELECTRIC.
What parts can replace F3933?
There are 29 known substitutes for F3933: M5211TV, 5211TS, 8705663 and 26 more. Substitute compatibility should be verified for your specific system.
Is F3933 still available?
F3933 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