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Technical Data Sheet
PartsTable / COMPONENT / 28581-01
28581-01 ✓ 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

MANIFOLD,HYDRAULIC SYSTEM ACCESS. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-382-2051, 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
28581-01
NSN: 4730-01-382-2051
FSC: 4730
CAGE: 07070 — UNITED STATES DEPARTMENT OF THE NAVY DBA NAVAL SURFACE WARFARE CENTER PANAMA CITY (USA)
SPECIFICATIONS
Part Number28581-01
NSN4730-01-382-2051
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 28581-01 · 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 9
28581Interchangeable
interchangeable cross-reference
interchangeable
26581Interchangeable
interchangeable cross-reference
interchangeable
26084Interchangeable
interchangeable cross-reference
interchangeable
46500Interchangeable
interchangeable cross-reference
interchangeable
GD4-1AInterchangeable
interchangeable cross-reference
interchangeable
EE1293Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28581-01?
28581-01 is a MANIFOLD,HYDRAULIC SYSTEM ACCESS.
What parts can replace 28581-01?
There are 9 known substitutes for 28581-01: 28581, 26581, 26084 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 28581-01?
28581-01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-382-2051. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026