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Technical Data Sheet
416312-1 ✓ 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

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include material: IRON OVERALL, seat_type: GROUND-JOINT, connection_style: PLAIN (PIPE) FIRST END, surface_treatment: ZINC OUTSIDE, operating_pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_thread_size: 2.000 INCHES FIRST END 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 4730-00-079-0501, 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
416312-1
NSN: 4730-00-079-0501
FSC: 4730
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
materialIRON OVERALL
seat_typeGROUND-JOINT
connection_stylePLAIN (PIPE) FIRST END
surface_treatmentZINC OUTSIDE
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size2.000 INCHES FIRST END IN
nominal_overall_length4.250 INCHES IN
thread_series_designatorNPT FIRST END
nominal_pipe_size_accommodated2.000 INCHES FIRST END IN
NSN4730-00-079-0501
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 416312-1 · 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
THREAD SERIES DESIGNATOR: NPT SECOND END
NOMINAL OVERALL LENGTH: 4.250 INCHES IN
SEAT TYPE: GROUND-JOINT
SURFACE TREATMENT: ZINC OUTSIDE
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL PIPE SIZE ACCOMMODATED: 2.000 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 (FLIS)
THREAD SERIES DESIGNATORNPT SECOND END
THREAD SERIES DESIGNATORNPT FIRST END
NOMINAL OVERALL LENGTH4.250 INCHES IN
SEAT TYPEGROUND-JOINT
SURFACE TREATMENTZINC OUTSIDE
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL PIPE SIZE ACCOMMODATED2.000 INCHES FIRST END IN
SURFACE TREATMENTZINC INSIDE
NOMINAL THREAD SIZE2.000 INCHES FIRST END IN
MATERIALIRON OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
551Interchangeable
Same NIIN cross-reference
interchangeable
M4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 416312-1?
416312-1 is a CAPACITOR,FIXED,MICA DIELECTRIC.
What parts can replace 416312-1?
There are 2 known substitutes for 416312-1: 551, M4. Substitute compatibility should be verified for your specific system.
What is the NSN for 416312-1?
416312-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-079-0501. This indicates validated use in U.S. government and defense supply chains.
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