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PartsTable / COMPONENT / B41-1-4
B41-1-4 ✓ 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: STEEL OVERALL, hole_type: DRILLED, head_height: 0.156 INCHES NOMINAL IN, head_length: 0.406 INCHES NOMINAL IN, point_style: OVAL, thread_class: 2A A. 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
B41-1-4
NSN: 4730-00-011-8537
FSC: 4730
CAGE: 72853 — STANT CORP EDELMANN DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_typeDRILLED
head_height0.156 INCHES NOMINAL IN
head_length0.406 INCHES NOMINAL IN
point_styleOVAL
thread_class2A A
hole_diameter0.062 INCHES NOMINAL IN
hole_quantity1
thread_length2.750 INCHES NOMINAL IN
fastener_length2.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.250 INCHES NOMINAL IN
NSN4730-00-011-8537
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: B41-1-4 · 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 B41-1-4?
B41-1-4 is a SWITCH,RADIO FREQUENCY TRANSMISS.
What parts can replace B41-1-4?
There are 32 known substitutes for B41-1-4: 4-010110B, 21110X4, 5061K12 and 29 more. Substitute compatibility should be verified for your specific system.
Is B41-1-4 still available?
B41-1-4 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