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Technical Data Sheet
PartsTable / COMPONENT / 3WB121
3WB121 ✓ 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,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 end_item_name: DUAL BRAKE CONTROL VALVE, end_item_source: 11331, special_features: SUPPORTS OSHKOSH,MODELS WT2206,W700-15R,P2525 AND W712 SNOWPLOWS, component_quantity: 11, end_item_identification: MODEL WM674A, nonsupply_items_and_quantities: O-RINGS 7;STEM 1;POPPET 1;DISK 1;SERVICE BULLETIN 1. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-357-5002, 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
3WB121
NSN: 4820-00-357-5002
FSC: 4820
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
end_item_nameDUAL BRAKE CONTROL VALVE
end_item_source11331
special_featuresSUPPORTS OSHKOSH,MODELS WT2206,W700-15R,P2525 AND W712 SNOWPLOWS
component_quantity11
end_item_identificationMODEL WM674A
nonsupply_items_and_quantitiesO-RINGS 7;STEM 1;POPPET 1;DISK 1;SERVICE BULLETIN 1
NSN4820-00-357-5002
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3WB121 · 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
•
END ITEM NAME: DUAL BRAKE CONTROL VALVE
•
END ITEM SOURCE: 11331
•
NONSUPPLY ITEMS AND QUANTITIES: O-RINGS 7;STEM 1;POPPET 1;DISK 1;SERVICE BULLETIN 1
•
COMPONENT QUANTITY: 11
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)
END ITEM IDENTIFICATIONMODEL WM674A
END ITEM NAMEDUAL BRAKE CONTROL VALVE
SPECIAL FEATURESSUPPORTS OSHKOSH,MODELS WT2206,W700-15R,P2525 AND W712 SNOWPLOWS
END ITEM SOURCE11331
NONSUPPLY ITEMS AND QUANTITIESO-RINGS 7;STEM 1;POPPET 1;DISK 1;SERVICE BULLETIN 1
COMPONENT QUANTITY11
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
179887Interchangeable
interchangeable cross-reference
interchangeable
100161Interchangeable
interchangeable cross-reference
interchangeable
6002610-2Interchangeable
interchangeable cross-reference
interchangeable
C0800Interchangeable
interchangeable cross-reference
interchangeable
227-1027P3Interchangeable
interchangeable cross-reference
interchangeable
ZA227-1027P3REV5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3WB121?
3WB121 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace 3WB121?
There are 14 known substitutes for 3WB121: 179887, 100161, 6002610-2 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3WB121?
3WB121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-357-5002. 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