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Technical Data Sheet
PartsTable / COMPONENT / 444592
444592 ✓ 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

VALVE ASSEMBLY,HYDRAULIC,AIRCRAF. Key specifications include material: STEEL OVERALL, body_type: SOLID, head_type: SOLID, thread_class: 2A EXTERNAL A, drive_end_style: RAISED SQUARE, connection_style: PLAIN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-221-2140, 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
444592
NSN: 4730-00-221-2140
FSC: 4730
CAGE: 76760 — NEW VENTURE GEAR INC NEW PROCESS GEAR DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_typeSOLID
head_typeSOLID
thread_class2A EXTERNAL A
drive_end_styleRAISED SQUARE
connection_stylePLAIN
thread_directionRIGHT-HAND EXTERNAL
nominal_thread_size0.750 INCHES EXTERNAL IN
thread_series_designatorNPT EXTERNAL
nominal_pipe_size_for_which_designed0.750 INCHES IN
NSN4730-00-221-2140
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 444592 · 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 THREAD SIZE: 0.750 INCHES EXTERNAL IN
•
THREAD DIRECTION: RIGHT-HAND EXTERNAL
•
HEAD TYPE: SOLID
•
MATERIAL: STEEL OVERALL
•
DRIVE END STYLE: RAISED SQUARE
•
BODY TYPE: CORED
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.750 INCHES IN
•
CONNECTION STYLE: PLAIN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.750 INCHES EXTERNAL IN
THREAD DIRECTIONRIGHT-HAND EXTERNAL
HEAD TYPESOLID
MATERIALSTEEL OVERALL
DRIVE END STYLERAISED SQUARE
BODY TYPECORED
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.750 INCHES IN
CONNECTION STYLEPLAIN
THREAD SERIES DESIGNATORNPT EXTERNAL
END ITEM IDENTIFICATIONGRUMMAN AEROSPACE A-10 AIRCRAFT; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS); LOGISTICS SUPPORT VESSEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
A-A-59616AInterchangeable
interchangeable cross-reference
interchangeable
444878Interchangeable
interchangeable cross-reference
interchangeable
IPD1B5174Interchangeable
interchangeable cross-reference
interchangeable
8211Interchangeable
interchangeable cross-reference
interchangeable
47648Interchangeable
interchangeable cross-reference
interchangeable
1727 1/4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 444592?
444592 is a VALVE ASSEMBLY,HYDRAULIC,AIRCRAF.
What parts can replace 444592?
There are 21 known substitutes for 444592: A-A-59616A, 444878, IPD1B5174 and 18 more. Substitute compatibility should be verified for your specific system.
Is 444592 still available?
444592 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