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PartsTable / COMPONENT / B312097-72
B312097-72 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The CAPACITOR SET,MATCHED 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: RUBBER OVERALL, overall_height: 0.375 INCHES NOMINAL IN, style_designator: PLAIN, body_inside_diameter: 1.250 INCHES NOMINAL IN, body_outside_diameter: 3.000 INCHES NOMINAL IN, seating_surface_shape: FLAT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-026-3403, 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
B312097-72
NSN: 4820-01-026-3403
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialRUBBER OVERALL
overall_height0.375 INCHES NOMINAL IN
style_designatorPLAIN
body_inside_diameter1.250 INCHES NOMINAL IN
body_outside_diameter3.000 INCHES NOMINAL IN
seating_surface_shapeFLAT
NSN4820-01-026-3403
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B312097-72 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BODY OUTSIDE DIAMETER: 3.000 INCHES NOMINAL IN
•
SEATING SURFACE SHAPE: FLAT
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL: RUBBER OVERALL
•
BODY INSIDE DIAMETER: 1.250 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)
BODY OUTSIDE DIAMETER3.000 INCHES NOMINAL IN
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORPLAIN
MATERIALRUBBER OVERALL
BODY INSIDE DIAMETER1.250 INCHES NOMINAL IN
OVERALL HEIGHT0.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
85-310Interchangeable
interchangeable cross-reference
interchangeable
M-447544SUB2PT3Interchangeable
interchangeable cross-reference
interchangeable
724345Interchangeable
interchangeable cross-reference
interchangeable
1223925Interchangeable
interchangeable cross-reference
interchangeable
12097Interchangeable
interchangeable cross-reference
interchangeable
P12097DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B312097-72?
B312097-72 is a CAPACITOR SET,MATCHED.
What parts can replace B312097-72?
There are 18 known substitutes for B312097-72: 85-310, M-447544SUB2PT3, 724345 and 15 more. Substitute compatibility should be verified for your specific system.
Is B312097-72 still available?
B312097-72 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