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Technical Data Sheet
PartsTable / COMPONENT / 190-481
190-481 ✓ 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 EXPANSION JOINT,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, key_width: 0.0620 INCHES NOMINAL IN, key_length: 0.0475 INCHES NOMINAL IN, overall_height: 0.1250 INCHES NOMINAL IN, inside_diameter: 0.1255 INCHES MINIMUM AND 0.1265 INCHES MAXIMUM IN, surface_treatment: PASSIVATE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-217-2829, 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
190-481
NSN: 4730-01-217-2829
FSC: 4730
CAGE: 98769 — SENIOR OPERATIONS LLC DIV SENIOR AEROSPACE SSP (USA)
SPECIFICATIONS
materialSTEEL COMP 303
key_width0.0620 INCHES NOMINAL IN
key_length0.0475 INCHES NOMINAL IN
overall_height0.1250 INCHES NOMINAL IN
inside_diameter0.1255 INCHES MINIMUM AND 0.1265 INCHES MAXIMUM IN
special_featuresHAS ONLY ONE KEY; HAS TWO BOLT HOLES POSITIONED 90.0 DEGREES FROM EACH OTHER ALONG HEIGHT; BOLT HOLES HAVE 2-56UNC-2B THREADS.
surface_treatmentPASSIVATE
overall_outside_diameter0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
NSN4730-01-217-2829
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 190-481 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
8N07Interchangeable
interchangeable cross-reference
interchangeable
35228Interchangeable
interchangeable cross-reference
interchangeable
1AB2135Interchangeable
interchangeable cross-reference
interchangeable
1E5252Interchangeable
interchangeable cross-reference
interchangeable
19048Interchangeable
interchangeable cross-reference
interchangeable
14-89401-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 190-481?
190-481 is a EXPANSION JOINT,PIPE.
What parts can replace 190-481?
There are 15 known substitutes for 190-481: 8N07, 35228, 1AB2135 and 12 more. Substitute compatibility should be verified for your specific system.
Is 190-481 still available?
190-481 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