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Technical Data Sheet
PartsTable / COMPONENT / 41 X 4
41 X 4 ✓ 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

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include material: RUBBER SYNTHETIC OVERALL, hardness_rating: 63.0 SHORE DUROMETER A MINIMUM AND 73.0 SHORE DUROMETER A MAXIMUM OVERALL, rim_surface_width: 0.188 INCHES NOMINAL IN, inner_groove_width: 0.125 INCHES NOMINAL IN, outer_groove_width: 0.062 INCHES NOMINAL IN, peripheral_diameter: 1.750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-011-8537, 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
41 X 4
NSN: 4730-00-011-8537
FSC: 4730
CAGE: 01276 — DANFOSS POWER SOLUTIONS II, LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
hardness_rating63.0 SHORE DUROMETER A MINIMUM AND 73.0 SHORE DUROMETER A MAXIMUM OVERALL
rim_surface_width0.188 INCHES NOMINAL IN
inner_groove_width0.125 INCHES NOMINAL IN
outer_groove_width0.062 INCHES NOMINAL IN
peripheral_diameter1.750 INCHES NOMINAL IN
center_hole_diameter1.375 INCHES NOMINAL IN
cross-sectional_height0.250 INCHES NOMINAL IN
cross-sectional_shape_styleSPECIAL
NSN4730-00-011-8537
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 41 X 4 · 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 32
4-010110BInterchangeable
interchangeable cross-reference
interchangeable
21110X4Interchangeable
interchangeable cross-reference
interchangeable
5061K12Interchangeable
interchangeable cross-reference
interchangeable
69031C91Interchangeable
interchangeable cross-reference
interchangeable
FP2152Interchangeable
interchangeable cross-reference
interchangeable
JHP110-189Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 41 X 4?
41 X 4 is a SWITCH,RADIO FREQUENCY TRANSMISS.
What parts can replace 41 X 4?
There are 32 known substitutes for 41 X 4: 4-010110B, 21110X4, 5061K12 and 29 more. Substitute compatibility should be verified for your specific system.
Is 41 X 4 still available?
41 X 4 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