PartsTable
Technical Data Sheet
656598 ✓ 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,PAPER DIELECTRIC. Key specifications include material: STEEL OVERALL, seat_angle: 37.0 DEGREES FIRST END, body_length: 3.250 INCHES NOMINAL IN, thread_class: 3A SINGLE THREADED BUSHING A, body_diameter: 0.620 INCHES NOMINAL IN, terminal_type: WIRE LEAD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-288-9948, 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
656598
NSN: 4730-00-288-9948
FSC: 4730
CAGE: 12603 — CLARK EQUIPMENT CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
seat_angle37.0 DEGREES FIRST END
body_length3.250 INCHES NOMINAL IN
thread_class3A SINGLE THREADED BUSHING A
body_diameter0.620 INCHES NOMINAL IN
terminal_typeWIRE LEAD
thread_length0.375 INCHES NOMINAL SINGLE THREADED BUSHING IN
overall_length4.781 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL PIPE SECOND END
mounting_methodTHREADED BUSHING
connection_stylePLAIN (PIPE) SECOND END
style_designatorCYLINDRICAL W/FLANGE
NSN4730-00-288-9948
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 656598 · 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 THREAD SIZE: 0.500 INCHES SECOND END IN
SURFACE TREATMENT: CADMIUM OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES FIRST END IN
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
CONNECTION STYLE: PLAIN (PIPE) SECOND END
THREAD SERIES DESIGNATOR: UNF FIRST END
NONDEFINITIVE SPEC/STD DATA: 5A FIGURE A
SPECIFICATION/STANDARD DATA: 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
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 THREAD SIZE0.500 INCHES SECOND END IN
SURFACE TREATMENTCADMIUM OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
THREAD SERIES DESIGNATORUNF FIRST END
NONDEFINITIVE SPEC/STD DATA5A FIGURE A
SPECIFICATION/STANDARD DATA81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
THREAD CLASS2A FIRST END A
CONNECTION STYLEFLARED (TUBE) FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
TF120/20SCFP VARInterchangeable
interchangeable cross-reference
interchangeable
17302Interchangeable
interchangeable cross-reference
interchangeable
TF120/20SCFP VAR AInterchangeable
interchangeable cross-reference
interchangeable
16-296Interchangeable
interchangeable cross-reference
interchangeable
C1321-0812Interchangeable
interchangeable cross-reference
interchangeable
45510Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 656598?
656598 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace 656598?
There are 29 known substitutes for 656598: TF120/20SCFP VAR, 17302, TF120/20SCFP VAR A and 26 more. Substitute compatibility should be verified for your specific system.
Is 656598 still available?
656598 is currently cancelled.
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