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PartsTable / COMPONENT / AA59442-25
AA59442-25 ✓ 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,PAPER DIELECTRIC. Key specifications include material: COPPER OVERALL, flow_angle: 90.0 DEGREES, leg_length: 2.125 INCHES NOMINAL ALL ENDS IN, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: SOCKET (TUBE) ALL ENDS, special_features: W/LONG RADIUS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-254-6444, 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
AA59442-25
NSN: 4730-00-254-6444
FSC: 4730
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialCOPPER OVERALL
flow_angle90.0 DEGREES
leg_length2.125 INCHES NOMINAL ALL ENDS IN
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleSOCKET (TUBE) ALL ENDS
special_featuresW/LONG RADIUS
nondefinitive_spec/std_data1 FIGURE
specification/standard_data96906-MS35917 GOVERNMENT STANDARD
nominal_outside_diameter_tube_accommodated3.125 INCHES ALL ENDS IN
NSN4730-00-254-6444
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AA59442-25 · 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
•
NONDEFINITIVE SPEC/STD DATA: 1 FIGURE
•
MATERIAL: COPPER OVERALL
•
FLOW ANGLE: 90.0 DEGREES
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
•
LEG LENGTH: 2.125 INCHES NOMINAL ALL ENDS IN
•
CONNECTION STYLE: SOCKET (TUBE) ALL ENDS
•
SPECIFICATION/STANDARD DATA: 96906-MS35917 GOVERNMENT STANDARD
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)
NONDEFINITIVE SPEC/STD DATA1 FIGURE
MATERIALCOPPER OVERALL
SPECIAL FEATURESW/LONG RADIUS
FLOW ANGLE90.0 DEGREES
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
LEG LENGTH2.125 INCHES NOMINAL ALL ENDS IN
CONNECTION STYLESOCKET (TUBE) ALL ENDS
SPECIFICATION/STANDARD DATA96906-MS35917 GOVERNMENT STANDARD
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED3.125 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
B16.22Interchangeable
interchangeable cross-reference
interchangeable
AA59442-6UInterchangeable
interchangeable cross-reference
interchangeable
MS35917-6UInterchangeable
interchangeable cross-reference
interchangeable
744-11AInterchangeable
interchangeable cross-reference
interchangeable
D160797Interchangeable
interchangeable cross-reference
interchangeable
RE48A210Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA59442-25?
AA59442-25 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace AA59442-25?
There are 29 known substitutes for AA59442-25: B16.22, AA59442-6U, MS35917-6U and 26 more. Substitute compatibility should be verified for your specific system.
Is AA59442-25 still available?
AA59442-25 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