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Technical Data Sheet
PartsTable / COMPONENT / C0181C
C0181C ✓ 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 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 material: NICKEL ALLOY OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.100 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 1.380 INCHES NOMINAL IN, style_designator: THREADED FLANGED, seat_angle_in_deg: 45.000 NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-343-5999, 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
C0181C
NSN: 4820-00-343-5999
FSC: 4820
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length0.100 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter1.380 INCHES NOMINAL IN
style_designatorTHREADED FLANGED
seat_angle_in_deg45.000 NOMINAL
nominal_thread_size1.250 INCHES SINGLE THREADED PORTION IN
under_flange_height0.394 INCHES NOMINAL IN
body_inside_diameter1.000 INCHES NOMINAL IN
seating_surface_shapeANGULAR
thread_quantity_per_inch14 SINGLE THREADED PORTION
thread_series_designatorUN SINGLE THREADED PORTION
NSN4820-00-343-5999
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: C0181C · 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
•
THREAD SERIES DESIGNATOR: UN SINGLE THREADED PORTION
•
MATERIAL: NICKEL ALLOY OVERALL
•
STYLE DESIGNATOR: THREADED FLANGED
•
THREAD LENGTH: 0.100 INCHES NOMINAL SINGLE THREADED PORTION IN
•
FLANGE DIAMETER: 1.380 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 45.000 NOMINAL
•
BODY INSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 1.250 INCHES SINGLE THREADED PORTION 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)
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
MATERIALNICKEL ALLOY OVERALL
STYLE DESIGNATORTHREADED FLANGED
THREAD LENGTH0.100 INCHES NOMINAL SINGLE THREADED PORTION IN
FLANGE DIAMETER1.380 INCHES NOMINAL IN
SEAT ANGLE IN DEG45.000 NOMINAL
BODY INSIDE DIAMETER1.000 INCHES NOMINAL IN
NOMINAL THREAD SIZE1.250 INCHES SINGLE THREADED PORTION IN
SEATING SURFACE SHAPEANGULAR
UNDER FLANGE HEIGHT0.394 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
0199Interchangeable
interchangeable cross-reference
interchangeable
15Interchangeable
interchangeable cross-reference
interchangeable
6447Interchangeable
interchangeable cross-reference
interchangeable
T401MInterchangeable
interchangeable cross-reference
interchangeable
C18.1Interchangeable
interchangeable cross-reference
interchangeable
E401Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C0181C?
C0181C is a BATTERY,NONRECHARGEABLE.
What parts can replace C0181C?
There are 24 known substitutes for C0181C: 0199, 15, 6447 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C0181C?
C0181C is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-343-5999. 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