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Technical Data Sheet
PartsTable / COMPONENT / 3706 B
3706 B ✓ 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 TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include shape: STRAIGHT, length: 1.250 INCHES NOMINAL IN, diameter: 0.250 INCHES NOMINAL IN, material: RUBBER SYNTHETIC, body_length: 1.402 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-192-2470, 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
3706 B
NSN: 4730-01-192-2470
FSC: 4730
CAGE: 7Z588 — NORMA PENNSYLVANIA INC. DIV BREEZE INDUSTRIAL PRODUCTS (USA)
SPECIFICATIONS
shapeSTRAIGHT
length1.250 INCHES NOMINAL IN
diameter0.250 INCHES NOMINAL IN
materialRUBBER SYNTHETIC
body_length1.402 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_shankINCLUDED
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating300.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
outside_diameter3.340 INCHES NOMINAL IN
overall_diameter0.250 INCHES NOMINAL IN
special_featuresFABRIC REINFORCED
NSN4730-01-192-2470
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3706 B · 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 18
3706Interchangeable
interchangeable cross-reference
interchangeable
RW130Interchangeable
interchangeable cross-reference
interchangeable
D15-443IPC55Interchangeable
interchangeable cross-reference
interchangeable
D15-661DPC55Interchangeable
interchangeable cross-reference
interchangeable
C3-1152CInterchangeable
interchangeable cross-reference
interchangeable
SM-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3706 B?
3706 B is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 3706 B?
There are 18 known substitutes for 3706 B: 3706, RW130, D15-443IPC55 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3706 B?
3706 B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-192-2470. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026