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Technical Data Sheet
PartsTable / COMPONENT / 218-481
218-481 ✓ 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 ADAPTER,STRAIGHT,PIPE TO BOSS is a the manufacturer industrial component. Key specifications include width: 0.625 INCHES NOMINAL IN, height: 0.250 INCHES NOMINAL IN, material: STEEL OVERALL, catch_width: 0.938 INCHES NOMINAL IN, design_type: CLAW ENGAGING, tongue_width: 0.812 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-231-3960, 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
218-481
NSN: 4730-00-231-3960
FSC: 4730
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
width0.625 INCHES NOMINAL IN
height0.250 INCHES NOMINAL IN
materialSTEEL OVERALL
catch_width0.938 INCHES NOMINAL IN
design_typeCLAW ENGAGING
tongue_width0.812 INCHES NOMINAL IN
hole_diameter0.130 INCHES NOMINAL IN
hole_quantity2
tongue_length0.125 INCHES NOMINAL IN
overall_height0.625 INCHES NOMINAL IN
overall_length1.438 INCHES NOMINAL IN
wing_nut_width1.500 INCHES NOMINAL IN
NSN4730-00-231-3960
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 218-481 · 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
•
NOMINAL THREAD SIZE: 0.438 INCHES FIRST END IN
•
CONNECTION STYLE: FLARED (TUBE) FIRST END
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
•
MATERIAL: STEEL COMP 1137 OR STEEL COMP 1141 OVERALL
•
MAXIMUM OPERATING TEMP: 225.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66,AISI/SAE C1137 OR C1141 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
SEAT ANGLE: 37.0 DEGREES FIRST END
•
SPECIFICATION/STANDARD DATA: 96906-MS20823 GOVERNMENT STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.438 INCHES FIRST END IN
CONNECTION STYLEFLARED (TUBE) FIRST END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
MATERIALSTEEL COMP 1137 OR STEEL COMP 1141 OVERALL
MAXIMUM OPERATING TEMP225.0 FAHRENHEIT SINGLE RESPONSE DEGF
MATERIAL DOCUMENT AND CLASSIFICATION66,AISI/SAE C1137 OR C1141 FED STD SINGLE MATERIAL RESPONSE OVERALL
SEAT ANGLE37.0 DEGREES FIRST END
SPECIFICATION/STANDARD DATA96906-MS20823 GOVERNMENT STANDARD
FLOW ANGLE45.0 DEGREES
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
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
AS48421/1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 218-481?
218-481 is a ADAPTER,STRAIGHT,PIPE TO BOSS.
What parts can replace 218-481?
There are 30 known substitutes for 218-481: MS20823-8J, AS5196J0806, AS5196J1212 and 27 more. Substitute compatibility should be verified for your specific system.
Is 218-481 still available?
218-481 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