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MAH12 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include width: 19.0 MILLIMETERS NOMINAL MM, length: 19.0 MILLIMETERS NOMINAL MM, material: PLASTIC FOAM OVERALL, thickness: 8.0 MILLIMETERS NOMINAL MM, top_style: FLAT WITH LEFT AND RIGHT EDGE BEVELED, body_style: RECTANGULAR COMMUTATOR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-094-8955, 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
MAH12
NSN: 4730-01-094-8955
FSC: 4730
CAGE: 72661 — DIXON VALVE & COUPLING COMPANY, LLC DIV DIXON FIRE (USA)
SPECIFICATIONS
width19.0 MILLIMETERS NOMINAL MM
length19.0 MILLIMETERS NOMINAL MM
materialPLASTIC FOAM OVERALL
thickness8.0 MILLIMETERS NOMINAL MM
top_styleFLAT WITH LEFT AND RIGHT EDGE BEVELED
body_styleRECTANGULAR COMMUTATOR
head_styleHEXAGON
bevel_depth7.0 MILLIMETERS NOMINAL MM
grip_length6.672 INCHES MINIMUM AND 6.703 INCHES MAXIMUM IN
head_height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
bevel_length4.5 MILLIMETERS NOMINAL MM
thread_class3A A
NSN4730-01-094-8955
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MAH12 · 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 19
A540T053-102Interchangeable
interchangeable cross-reference
interchangeable
3151678Interchangeable
interchangeable cross-reference
interchangeable
STSMTURSNWHITEInterchangeable
interchangeable cross-reference
interchangeable
6610Interchangeable
interchangeable cross-reference
interchangeable
6618Interchangeable
interchangeable cross-reference
interchangeable
S6618Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MAH12?
MAH12 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace MAH12?
There are 19 known substitutes for MAH12: A540T053-102, 3151678, STSMTURSNWHITE and 16 more. Substitute compatibility should be verified for your specific system.
Is MAH12 still available?
MAH12 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