PartsTable
Technical Data Sheet
PartsTable / MRO / 1146-2
1146-2 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

CAPACITOR,FIXED,CERAMIC DIELECTR. Key specifications include material: STEEL OVERALL, point_type: CONVENTIONAL, point_angle: 118.0 DEGREES NOMINAL, shank_style: STRAIGHT ROUND, temp_rating: -35.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF, flute_length: 3.062 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-223-7369, 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
MRO→ MRO_GENERAL→ 1146-2
NSN: 4720-00-223-7369
FSC: 4720
CAGE: 79470 — DANA CORP WEATHERHEAD DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
point_typeCONVENTIONAL
point_angle118.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
temp_rating-35.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
flute_length3.062 INCHES NOMINAL IN
thread_class2A FIRST END A
physical_formLIQUID
flute_quantity2
overall_length4.375 INCHES NOMINAL IN
shank_diameter0.296 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL TUBE FIRST END
NSN4720-00-223-7369
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 1146-2 · 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
•
NOMINAL THREAD SIZE: 0.438 INCHES FIRST END IN
•
HYDROSTATIC TEST PRESSURE: 1000.0 POUNDS PER SQUARE INCH LBS
•
THREAD SERIES DESIGNATOR: UNS FIRST END
•
MEASURING METHOD AND LENGTH: 12.000 INCHES NOMINAL OVERALL IN
•
END CONNECTION DESIGN: STRAIGHT FIRST END
•
OUTER COVERING ENVIRONMENTAL PROTECTION: FIRE RETARDANT AND OIL RESISTANT AND WATER RESISTANT
•
THREAD DIRECTION: RIGHT-HAND FIRST END
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 THREAD SIZE0.438 INCHES FIRST END IN
HYDROSTATIC TEST PRESSURE1000.0 POUNDS PER SQUARE INCH LBS
THREAD SERIES DESIGNATORUNS FIRST END
MEASURING METHOD AND LENGTH12.000 INCHES NOMINAL OVERALL IN
END CONNECTION DESIGNSTRAIGHT FIRST END
OUTER COVERING ENVIRONMENTAL PROTECTIONFIRE RETARDANT AND OIL RESISTANT AND WATER RESISTANT
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
INSIDE SURFACE CONDITIONSMOOTH
END CONNECTION DESIGNSTRAIGHT SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
10424405Interchangeable
interchangeable cross-reference
interchangeable
103323Interchangeable
interchangeable cross-reference
interchangeable
34809S2Interchangeable
interchangeable cross-reference
interchangeable
W-1050-HInterchangeable
interchangeable cross-reference
interchangeable
L-12-2561Interchangeable
interchangeable cross-reference
interchangeable
B18.3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1146-2?
1146-2 is a CAPACITOR,FIXED,CERAMIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1146-2?
There are 18 known substitutes for 1146-2: 10424405, 103323, 34809S2 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1146-2?
1146-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-223-7369. 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