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Technical Data Sheet
PartsTable / COMPONENT / E1-48/A4890
E1-48/A4890 ✓ 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 E1-48/A4890 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-585-2204, 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
E1-48/A4890
NSN: 4730-00-585-2204
FSC: 4730
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
Part NumberE1-48/A4890
NSN4730-00-585-2204
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: E1-48/A4890 · 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 27
64-638PKInterchangeable
interchangeable cross-reference
interchangeable
23-1053PKInterchangeable
interchangeable cross-reference
interchangeable
E1-4BInterchangeable
interchangeable cross-reference
interchangeable
3432Interchangeable
interchangeable cross-reference
interchangeable
3422Interchangeable
interchangeable cross-reference
interchangeable
15146SIZE16MLInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E1-48/A4890?
E1-48/A4890 is a E1-48/A4890.
What parts can replace E1-48/A4890?
There are 27 known substitutes for E1-48/A4890: 64-638PK, 23-1053PK, E1-4B and 24 more. Substitute compatibility should be verified for your specific system.
Is E1-48/A4890 still available?
E1-48/A4890 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