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MS21 — CAPACITOR,FIXED,MICA DIELECTRIC

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

MS21: CAPACITOR,FIXED,MICA DIELECTRIC.

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include material: PLASTIC CASE, body_style: W/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES, body_width: 0.190 INCHES NOMINAL IN, body_height: 0.440 INCHES NOMINAL IN, body_length: 0.730 INCHES NOMINAL IN, connection_type: THREADED EXTERNAL PIPE FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-429-7204, 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→ MS21
NSN: 4730-00-429-7204
NIINs: 004297204, 007254795
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 72661 — DIXON VALVE & COUPLING COMPANY, LLC DIV DIXON FIRE (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleW/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES
body_width0.190 INCHES NOMINAL IN
body_height0.440 INCHES NOMINAL IN
body_length0.730 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL PIPE FIRST END
terminal_length1.120 INCHES MINIMUM IN
connection_styleBARBED OR BEADED (HOSE) SECOND END
special_featuresSTEM TO HAVE COMBINATION ANNULAR AND ZIG-ZAG CORRUGATIONS
nominal_thread_size1.500 INCHES FIRST END IN
reliability_indicatorNOT ESTABLISHED
nominal_overall_length6.250 INCHES IN
NSN4730-00-429-7204
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS21 · 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 PIPE SIZE ACCOMMODATED: 1.500 INCHES FIRST END IN
•
CONNECTION STYLE: BARBED OR BEADED (HOSE) SECOND END
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 1.500 INCHES SECOND END IN
•
NOMINAL OVERALL LENGTH: 6.250 INCHES IN
•
CONNECTION TYPE: UNTHREADED EXTERNAL HOSE SECOND END
•
NOMINAL THREAD SIZE: 1.500 INCHES FIRST END 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
NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES FIRST END IN
CONNECTION STYLEBARBED OR BEADED (HOSE) SECOND END
CONNECTION STYLEPLAIN (PIPE) FIRST END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED1.500 INCHES SECOND END IN
NOMINAL OVERALL LENGTH6.250 INCHES IN
CONNECTION TYPEUNTHREADED EXTERNAL HOSE SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
NOMINAL THREAD SIZE1.500 INCHES FIRST END IN
SPECIAL FEATURESSTEM TO HAVE COMBINATION ANNULAR AND ZIG-ZAG CORRUGATIONS
MATERIALIRON OVERALL
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 MS21?
MS21 is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What is the NSN for MS21?
MS21 is cataloged in the U.S. Government catalog under NSN 4730-00-429-7204. This indicates validated use in U.S. government and defense supply chains.
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