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Technical Data Sheet
PartsTable / COMPONENT / 300-6PHOSPHATE
300-6PHOSPHATE ✓ 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,GLASS DIELECTRIC. Key specifications include material: STEEL OVERALL, thread_class: 2A ALL ENDS2A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDSTHREADED EXTERNAL TUBE ALL ENDS, connection_style: GASKET SEAL, COMPRESSION (TUBE) ALL ENDSGASKET SEAL, COMPRESSION (TUBE) ALL ENDS, style_designator: CENTER WRENCHING FACILITY W/ THREADED RELIEF, surface_treatment: PHOSPHATE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-489-8217, 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
300-6PHOSPHATE
NSN: 4730-00-489-8217
FSC: 4730
CAGE: 97576 — LENZ INC DBA THE LENZ COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A ALL ENDS2A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDSTHREADED EXTERNAL TUBE ALL ENDS
connection_styleGASKET SEAL, COMPRESSION (TUBE) ALL ENDSGASKET SEAL, COMPRESSION (TUBE) ALL ENDS
style_designatorCENTER WRENCHING FACILITY W/ THREADED RELIEF
surface_treatmentPHOSPHATE OVERALL
operating_pressure2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.625 INCHES ALL ENDS0.625 INCHES ALL ENDS IN
maximum_operating_temp135.0 CELSIUS SINGLE RESPONSE135.0 CELSIUS SINGLE RESPONSE DEGC
nominal_overall_length1.188 INCHES IN
thread_series_designatorUNF ALL ENDS
furnished_items_and_quantity2 PREFORMED PACKING AND 2 FLAT WASHER
NSN4730-00-489-8217
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 300-6PHOSPHATE · 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
•
OPERATING PRESSURE: 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
NOMINAL OVERALL LENGTH: 1.188 INCHES IN
•
THREAD SERIES DESIGNATOR: UNF ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES ALL ENDS IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDSTHREADED EXTERNAL TUBE ALL ENDS
•
MAXIMUM OPERATING TEMP: 135.0 CELSIUS SINGLE RESPONSE135.0 CELSIUS SINGLE RESPONSE DEGC
•
NOMINAL THREAD SIZE: 0.625 INCHES ALL ENDS0.625 INCHES ALL ENDS IN
•
MATERIAL: STEEL OVERALL
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)
OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL OVERALL LENGTH1.188 INCHES IN
THREAD SERIES DESIGNATORUNF ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES ALL ENDS IN
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDSTHREADED EXTERNAL TUBE ALL ENDS
MAXIMUM OPERATING TEMP135.0 CELSIUS SINGLE RESPONSE135.0 CELSIUS SINGLE RESPONSE DEGC
NOMINAL THREAD SIZE0.625 INCHES ALL ENDS0.625 INCHES ALL ENDS IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORCENTER WRENCHING FACILITY W/ THREADED RELIEF
CONNECTION STYLEGASKET SEAL, COMPRESSION (TUBE) ALL ENDSGASKET SEAL, COMPRESSION (TUBE) ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
44176Interchangeable
interchangeable cross-reference
interchangeable
150 FInterchangeable
interchangeable cross-reference
interchangeable
R15Interchangeable
interchangeable cross-reference
interchangeable
3564L12Interchangeable
interchangeable cross-reference
interchangeable
13006Interchangeable
interchangeable cross-reference
interchangeable
T6TInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 300-6PHOSPHATE?
300-6PHOSPHATE is a CAPACITOR,FIXED,GLASS DIELECTRIC.
What parts can replace 300-6PHOSPHATE?
There are 20 known substitutes for 300-6PHOSPHATE: 44176, 150 F, R15 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 300-6PHOSPHATE?
300-6PHOSPHATE is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-489-8217. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026