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37582 ✓ Verified by PartsTable
Leitz · 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

CASE AND NOZZLE ASSEMBLY,TURBINE. Key specifications include shape: ROUND WITH FLAT, material: STEEL OVERALL, end_style: SPRING END,SQUARED BOTH ENDS, ring_style: DOUBLE LEG OFFSET, thread_class: 2B, usage_design: EXTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-202-9390, 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
37582
NSN: 4730-00-202-9390
FSC: 4730
CAGE: 79470 — DANA CORP WEATHERHEAD DIV (USA)
SPECIFICATIONS
shapeROUND WITH FLAT
materialSTEEL OVERALL
end_styleSPRING END,SQUARED BOTH ENDS
ring_styleDOUBLE LEG OFFSET
thread_class2B
usage_designEXTERNAL
coil_quantity8-1/2
overall_width0.640 INCHES NOMINAL IN
overall_height2.062 INCHES NOMINAL IN
overall_length1.625 INCHES NOMINAL IN
inside_diameter1.140 INCHES NOMINAL IN
operation_methodNONIMPACT
NSN4730-00-202-9390
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 37582 · Leitz ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
A1653Interchangeable
interchangeable cross-reference
interchangeable
852686Interchangeable
interchangeable cross-reference
interchangeable
5A7043Interchangeable
interchangeable cross-reference
interchangeable
1574730Interchangeable
interchangeable cross-reference
interchangeable
21786Interchangeable
interchangeable cross-reference
interchangeable
PM21786Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 37582?
37582 is a CASE AND NOZZLE ASSEMBLY,TURBINE manufactured by Leitz.
What parts can replace 37582?
There are 20 known substitutes for 37582: A1653, 852686, 5A7043 and 17 more. Substitute compatibility should be verified for your specific system.
Is 37582 still available?
37582 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