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Technical Data Sheet
PartsTable / COMPONENT / AA52598-B-219.1
AA52598-B-219.1 ✓ 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 AA52598-B-219.1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-142-1591, 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
AA52598-B-219.1
NSN: 4730-00-142-1591
FSC: 4730
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberAA52598-B-219.1
NSN4730-00-142-1591
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AA52598-B-219.1 · 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
KEY FEATURES
•
END TYPE FOR WHICH DESIGNED: GROOVED
•
WORKING PRESSURE RATING: 8.000 KILOGRAMS PER SQUARE CENTIMETER NOMINAL KG
•
PIPE SIZE ACCOMMODATED: 8.000 INCHES NOMINAL IN
•
MATERIAL: IRON MALLEABLE HOUSING
•
SEGMENT QUANTITY: 2
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
TECHNICAL CHARACTERISTICS (FLIS)
END TYPE FOR WHICH DESIGNEDGROOVED
WORKING PRESSURE RATING8.000 KILOGRAMS PER SQUARE CENTIMETER NOMINAL KG
PIPE SIZE ACCOMMODATED8.000 INCHES NOMINAL IN
MATERIALIRON MALLEABLE HOUSING
SEGMENT QUANTITY2
MATERIALRUBBER SYNTHETIC GASKET
NONDEFINITIVE SPEC/STD DATA1 TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
77A1-1/2INInterchangeable
interchangeable cross-reference
interchangeable
1025-30108 PC8Interchangeable
interchangeable cross-reference
interchangeable
77A1-1-2Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-10387Interchangeable
interchangeable cross-reference
interchangeable
MILC10387BInterchangeable
interchangeable cross-reference
interchangeable
100SERIES4INGR00VETYPE2BUTYLInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA52598-B-219.1?
AA52598-B-219.1 is a AA52598-B-219.1.
What parts can replace AA52598-B-219.1?
There are 25 known substitutes for AA52598-B-219.1: 77A1-1/2IN, 1025-30108 PC8, 77A1-1-2 and 22 more. Substitute compatibility should be verified for your specific system.
Is AA52598-B-219.1 still available?
AA52598-B-219.1 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