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Technical Data Sheet
PartsTable / COMPONENT / P3101
P3101 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
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: RUBBER SYNTHETIC TUBE, body_width: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, body_height: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, body_length: 0.840 INCHES MAXIMUM IN, inside_diameter: 0.250 INCHES NOMINAL IN, memory_capacity: UNKNOWN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-278-4886, 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
P3101
NSN: 4720-00-278-4886
FSC: 4720
CAGE: 98182 — H.E.F. CORPORATION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC TUBE
body_width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
body_height0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length0.840 INCHES MAXIMUM IN
inside_diameter0.250 INCHES NOMINAL IN
memory_capacityUNKNOWN
outside_diameter0.500 INCHES NOMINAL IN
features_providedMONOLITHIC AND SCHOTTKY AND W/ENABLE
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialCERAMIC AND GLASS
memory_device_typeRAM
operating_pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NSN4720-00-278-4886
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: P3101 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MEDIA FOR WHICH DESIGNED: AIR AND WATER, FRESH AND ETHYLENE GLYCOL SINGLE RESPONSE
•
INSIDE SURFACE CONDITION: SMOOTH
•
OPERATING PRESSURE: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MATERIAL: RUBBER SYNTHETIC TUBE
•
INSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
LAYER COMPOSITION AND LOCATION: 1ST LAYER BRAIDED COTTON CORD AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
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)
MEDIA FOR WHICH DESIGNEDAIR AND WATER, FRESH AND ETHYLENE GLYCOL SINGLE RESPONSE
INSIDE SURFACE CONDITIONSMOOTH
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MATERIALRUBBER SYNTHETIC TUBE
INSIDE DIAMETER0.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
LAYER COMPOSITION AND LOCATION1ST LAYER BRAIDED COTTON CORD AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
542-245-043Interchangeable
interchangeable cross-reference
interchangeable
D3101Interchangeable
interchangeable cross-reference
interchangeable
HRAM-0064-2Interchangeable
interchangeable cross-reference
interchangeable
SN74S189NInterchangeable
interchangeable cross-reference
interchangeable
54S189/BEAInterchangeable
interchangeable cross-reference
interchangeable
AM3101DMQBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P3101?
P3101 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace P3101?
There are 6 known substitutes for P3101: 542-245-043, D3101, HRAM-0064-2 and 3 more. Substitute compatibility should be verified for your specific system.
Is P3101 still available?
P3101 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026