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MS51504A6 — Technical Data Sheet

✓ 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 material: PLYWOOD TOP, body_style: CYLINDRICAL BUSHING MOUNTED, shell_type: SOLID, body_length: 0.300 INCHES NOMINAL IN, flat_height: 0.154 INCHES NOMINAL IN, shaft_style: ROUND, FLATTED. This part is cataloged in the Federal Logistics Information System under NSN 4730-00-812-7999, 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
MS51504A6
NSN: 4730-00-812-7999
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialPLYWOOD TOP
body_styleCYLINDRICAL BUSHING MOUNTED
shell_typeSOLID
body_length0.300 INCHES NOMINAL IN
flat_height0.154 INCHES NOMINAL IN
shaft_styleROUND, FLATTED
shaft_length0.875 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
body_diameter0.500 INCHES NOMINAL IN
overall_width23.875 INCHES MINIMUM AND 24.125 INCHES MAXIMUM IN
terminal_typeTAB, SOLDER LUG SINGLE MATING END SINGLE CONTACT GROUPING
overall_height27.375 INCHES MINIMUM AND 27.625 INCHES MAXIMUM IN
NSN4730-00-812-7999
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS51504A6 · 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 30
337B1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
82328InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3271376InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
321268InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
TP321268InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
WEB3529AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51504A6?
MS51504A6 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace MS51504A6?
There are 30 known substitutes for MS51504A6: 337B1, 82328, 3271376 and 27 more. Substitute compatibility should be verified for your specific system.
Is MS51504A6 still available?
MS51504A6 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: September 2026