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21-1672 — CAPACITOR,FIXED,CERAMIC DIELECTR

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

21-1672: CAPACITOR,FIXED,CERAMIC DIELECTR.

CAPACITOR,FIXED,CERAMIC DIELECTR. Key specifications include material: PLASTIC OVERALL, design_type: SOLID, end_diameter: 0.6710 INCHES NOMINAL IN, bore_diameter: 0.5800 INCHES NOMINAL IN, overall_height: 0.040 INCHES NOMINAL IN, inside_diameter: 0.089 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-373-8394, 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→ 21-1672
NSN: 5340-00-373-8394
NIINs: 003738394, 005011690, 012438170
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
design_typeSOLID
end_diameter0.6710 INCHES NOMINAL IN
bore_diameter0.5800 INCHES NOMINAL IN
overall_height0.040 INCHES NOMINAL IN
inside_diameter0.089 INCHES NOMINAL IN
outside_diameter0.189 INCHES NOMINAL IN
special_featuresNOT CASEHARDENED
style_designatorCYLINDRICAL
end_configurationBOTH ENDS SQUARED
first_step_length0.0650 INCHES NOMINAL IN
first_step_diameter0.9600 INCHES NOMINAL IN
NSN5340-00-373-8394
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21-1672 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FIRST STEP DIAMETER: 0.9600 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM
•
END DIAMETER: 0.6710 INCHES NOMINAL IN
•
SECOND END DIAMETER: 0.6710 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.2600 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
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
OVERALL HEIGHT0.5700 INCHES NOMINAL IN
FIRST STEP DIAMETER0.9600 INCHES NOMINAL IN
MATERIAL HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM
END DIAMETER0.6710 INCHES NOMINAL IN
SECOND END DIAMETER0.6710 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.2600 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
FIRST STEP LENGTH0.0650 INCHES NOMINAL IN
SPECIAL FEATURESNOT CASEHARDENED
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21-1672?
21-1672 is a CAPACITOR,FIXED,CERAMIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 21-1672?
21-1672 is cataloged in the U.S. Government catalog under NSN 5340-00-373-8394. This indicates validated use in U.S. government and defense supply chains.
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