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Technical Data Sheet
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ST7M286 ✓ 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

The CAPACITOR,FIXED,ELECTROLYTIC is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, seat_angle: 37.0 DEGREES ALL ENDS, thread_class: 2A FIRST END BULKHEAD A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARED (TUBE) ALL ENDS, style_designator: FLARED W/ BULKHEAD THREAD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-306-7431, 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
ST7M286
NSN: 4730-00-306-7431
FSC: 4730
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
seat_angle37.0 DEGREES ALL ENDS
thread_class2A FIRST END BULKHEAD A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
style_designatorFLARED W/ BULKHEAD THREAD
surface_treatmentANODIZE OVERALL
nominal_thread_size0.438 INCHES ALL ENDS IN
nominal_overall_length2.950 INCHES IN
thread_series_designatorUNF ALL ENDS
material_document_and_classificationQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
nominal_outside_diameter_tube_accommodated0.250 INCHES ALL ENDS IN
NSN4730-00-306-7431
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ST7M286 · 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 OVERALL LENGTH: 3.125 INCHES IN
•
LEG LENGTH: 2.218 INCHES NOMINAL FIRST END IN
•
THREAD CLASS: 3A ALL ENDS A
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
•
SEAT ANGLE: 37.000 DEGREES ALL ENDS
•
SURFACE TREATMENT: ANODIZE OUTSIDE
•
CONNECTION STYLE: FLARED (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)
NOMINAL OVERALL LENGTH3.125 INCHES IN
LEG LENGTH2.218 INCHES NOMINAL FIRST END IN
THREAD CLASS3A ALL ENDS A
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
SEAT ANGLE37.000 DEGREES ALL ENDS
SURFACE TREATMENTANODIZE OUTSIDE
CONNECTION STYLEFLARED (TUBE) ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
SURFACE TREATMENTANODIZE INSIDE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
3073FE470T063JPAInterchangeable
interchangeable cross-reference
interchangeable
110145Interchangeable
interchangeable cross-reference
interchangeable
CE1476Interchangeable
interchangeable cross-reference
interchangeable
B107.19 TY1CL2STCInterchangeable
interchangeable cross-reference
interchangeable
GGG-P-480 TY1CL2STCSZ1-2-1Interchangeable
interchangeable cross-reference
interchangeable
MILR1149ID19-1875Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ST7M286?
ST7M286 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace ST7M286?
There are 22 known substitutes for ST7M286: 3073FE470T063JPA, 110145, CE1476 and 19 more. Substitute compatibility should be verified for your specific system.
Is ST7M286 still available?
ST7M286 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