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T0651 ✓ 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 BATTERY,NONRECHARGEABLE 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 shape: CYLINDRICAL, material: COPPER, mesh_size: 16.0, thickness: 0.300 INCHES NOMINAL IN, overall_width: 0.579 INCHES NOMINAL IN, terminal_type: CONTACT BUTTON TOP. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-815-1485, 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
T0651
NSN: 4730-00-815-1485
FSC: 4730
CAGE: 5RQL2 — DRS ENVIRONMENTAL SYSTEMS INC (USA)
SPECIFICATIONS
shapeCYLINDRICAL
materialCOPPER
mesh_size16.0
thickness0.300 INCHES NOMINAL IN
overall_width0.579 INCHES NOMINAL IN
terminal_typeCONTACT BUTTON TOP
wire_diameter0.01500 INCHES NOMINAL IN
overall_length2.000 INCHES NOMINAL IN
overall_diameter0.579 INCHES NOMINAL IN
style_designatorROUND (BASICALLY FLAT)
voltage_in_volts3.6
terminal_quantity2
NSN4730-00-815-1485
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: T0651 · 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
•
FILTERING MEDIA DESIGN: MESH
•
MATERIAL: COPPER
•
ELEMENT OUTSIDE DIAMETER: 1.125 INCHES NOMINAL IN
•
MESH SIZE: 16.0
•
STYLE DESIGNATOR: ROUND (BASICALLY FLAT)
•
THICKNESS: 0.300 INCHES NOMINAL IN
•
WIRE DIAMETER: 0.01500 INCHES NOMINAL IN
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)
FILTERING MEDIA DESIGNMESH
MATERIALCOPPER
END ITEM IDENTIFICATIONPREHEATER DRAIN ASSY,GASOLINE HEATER,NONAIRCRAFT
ELEMENT OUTSIDE DIAMETER1.125 INCHES NOMINAL IN
MESH SIZE16.0
STYLE DESIGNATORROUND (BASICALLY FLAT)
THICKNESS0.300 INCHES NOMINAL IN
WIRE DIAMETER0.01500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
XL-060FInterchangeable
interchangeable cross-reference
interchangeable
R6-AAInterchangeable
interchangeable cross-reference
interchangeable
652247111501Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T0651?
T0651 is a BATTERY,NONRECHARGEABLE.
What parts can replace T0651?
There are 3 known substitutes for T0651: XL-060F, R6-AA, 652247111501. Substitute compatibility should be verified for your specific system.
Is T0651 still available?
T0651 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