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PartsTable / COMPONENT / 523846-PMP21091
523846-PMP21091 ✓ 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

The COUPLING,PUMP is a the manufacturer industrial component. Key specifications include material: STEEL, body_width: 4.000 INCHES MAXIMUM IN, bore_shape: STRAIGHT, body_height: 4.780 INCHES MAXIMUM IN, body_length: 5.500 INCHES MAXIMUM IN, bore_diameter: 20.00 MILLIMETERS NOMINAL MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-293-6755, 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
523846-PMP21091
NSN: 4730-01-293-6755
FSC: 4730
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
materialSTEEL
body_width4.000 INCHES MAXIMUM IN
bore_shapeSTRAIGHT
body_height4.780 INCHES MAXIMUM IN
body_length5.500 INCHES MAXIMUM IN
bore_diameter20.00 MILLIMETERS NOMINAL MM
overall_width2.090 INCHES NOMINAL IN
seal_quantity2
end_similarityNOT IDENTICAL
inclosure_typeOPEN
load_directionRADIAL
overall_height0.570 INCHES NOMINAL IN
NSN4730-01-293-6755
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 523846-PMP21091 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
88504CE1AK2Interchangeable
interchangeable cross-reference
interchangeable
JH42A204ANG5Interchangeable
interchangeable cross-reference
interchangeable
C88504X1ANG5Interchangeable
interchangeable cross-reference
interchangeable
89-581Interchangeable
interchangeable cross-reference
interchangeable
2818-1Interchangeable
interchangeable cross-reference
interchangeable
5006611-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 523846-PMP21091?
523846-PMP21091 is a COUPLING,PUMP.
What parts can replace 523846-PMP21091?
There are 12 known substitutes for 523846-PMP21091: 88504CE1AK2, JH42A204ANG5, C88504X1ANG5 and 9 more. Substitute compatibility should be verified for your specific system.
Is 523846-PMP21091 still available?
523846-PMP21091 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