PartsTable
Technical Data Sheet
VSTI-3/8-ED ✓ 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 VSTI-3/8-ED is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-432-3532, 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
VSTI-3/8-ED
NSN: 4730-01-432-3532
FSC: 4730
CAGE: 0H7R3 — MACGREGOR USA INC. DIV MACGREGOR USA (USA)
SPECIFICATIONS
Part NumberVSTI-3/8-ED
NSN4730-01-432-3532
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: VSTI-3/8-ED · 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONMACGREGOR/USA/INC,HYDRAULIC MAIN WINCH;STRATEGIC SEALIFT CONVERSION SHIPS CLASS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
589-6953092Interchangeable
interchangeable cross-reference
interchangeable
21-10273Interchangeable
interchangeable cross-reference
interchangeable
21-10458Interchangeable
interchangeable cross-reference
interchangeable
589-6953092 REV CInterchangeable
interchangeable cross-reference
interchangeable
139723Interchangeable
interchangeable cross-reference
interchangeable
589-6953092 REV C IT 28Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is VSTI-3/8-ED?
VSTI-3/8-ED is a VSTI-3/8-ED.
What parts can replace VSTI-3/8-ED?
There are 20 known substitutes for VSTI-3/8-ED: 589-6953092, 21-10273, 21-10458 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for VSTI-3/8-ED?
VSTI-3/8-ED is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-432-3532. This indicates validated use in U.S. government and defense supply chains.
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