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PartsTable / COMPONENT / AS48421/1
AS48421/1 ✓ 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 AS48421/1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-122-0526, 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
AS48421/1
NSN: 4730-00-122-0526
FSC: 4730
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
Part NumberAS48421/1
NSN4730-00-122-0526
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AS48421/1 · 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
•
SPECIFICATION/STANDARD DATA: 81343-AS4842/1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
MATERIAL: STEEL COMP 304 OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.625 INCHES FIRST END IN
•
NOMINAL THREAD SIZE: 0.500 INCHES SECOND END IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81343-AS4842/1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MATERIALSTEEL COMP 304 OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES FIRST END IN
NOMINAL THREAD SIZE0.500 INCHES SECOND END IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
THREAD SERIES DESIGNATORNPT SECOND END
NOMINAL THREAD SIZE0.875 INCHES FIRST END IN
FLOW ANGLE45.0 DEGREES
LEG LENGTH1.110 INCHES NOMINAL FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
MS20823-8JInterchangeable
interchangeable cross-reference
interchangeable
AS5196J0806Interchangeable
interchangeable cross-reference
interchangeable
AS5196J1212Interchangeable
interchangeable cross-reference
interchangeable
AN823-12JInterchangeable
interchangeable cross-reference
interchangeable
AS5196Interchangeable
interchangeable cross-reference
interchangeable
AS4842/1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS48421/1?
AS48421/1 is a AS48421/1.
What parts can replace AS48421/1?
There are 30 known substitutes for AS48421/1: MS20823-8J, AS5196J0806, AS5196J1212 and 27 more. Substitute compatibility should be verified for your specific system.
Is AS48421/1 still available?
AS48421/1 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