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Technical Data Sheet
PartsTable / COMPONENT / 633C
633C ✓ 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 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 arbor: NOT INCLUDED, unit_type: 3-JAW KEY, attachment_type: JACOBS TAPER, performance_type: MEDIUM DUTY, special_features: CHUCK KEY FURNISHED, attachment_method: ARBOR HOLE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-083-7196, 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
633C
NSN: 4730-00-083-7196
FSC: 4730
CAGE: 81718 — OPW FUELING COMPONENTS INC. DIV OPW FUELING COMPONENTS (USA)
SPECIFICATIONS
arborNOT INCLUDED
unit_type3-JAW KEY
attachment_typeJACOBS TAPER
performance_typeMEDIUM DUTY
special_featuresCHUCK KEY FURNISHED
attachment_methodARBOR HOLE
tool_size_accommodated0.500 INCHES MAXIMUM IN
NSN4730-00-083-7196
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 633C · 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
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 2.000 INCHES ALL ENDS IN
•
CONNECTION STYLE: BARBED OR SERRATED END ALL ENDS
•
QUICK DISCONNECT METHOD: CAM-LOCKING ALL ENDS
•
QUICK DISCONNECT NOMINAL SIZE: 2.500 INCHES ALL ENDS IN
•
LEG LENGTH: 2.880 INCHES MINIMUM AND 3.266 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
MATERIAL: COPPER ALLOY BODY
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)
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED2.000 INCHES ALL ENDS IN
CONNECTION STYLEBARBED OR SERRATED END ALL ENDS
QUICK DISCONNECT METHODCAM-LOCKING ALL ENDS
QUICK DISCONNECT NOMINAL SIZE2.500 INCHES ALL ENDS IN
LEG LENGTH2.880 INCHES MINIMUM AND 3.266 INCHES MAXIMUM IN
STYLE DESIGNATORMALE COUPLING HALF
MATERIALCOPPER ALLOY BODY
OVERALL LENGTH5.000 INCHES MINIMUM AND 5.438 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA96906--27025 GOVERNMENT STANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
633CInterchangeable
interchangeable cross-reference
interchangeable
MS27025-8Interchangeable
interchangeable cross-reference
interchangeable
633C4INInterchangeable
interchangeable cross-reference
interchangeable
633C-4ALInterchangeable
interchangeable cross-reference
interchangeable
633-C-4 ALUMINUMInterchangeable
interchangeable cross-reference
interchangeable
14451Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 633C?
633C is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace 633C?
There are 14 known substitutes for 633C: 633C, MS27025-8, 633C4IN and 11 more. Substitute compatibility should be verified for your specific system.
Is 633C still available?
633C 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