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ST731 — RESISTOR,VARIABLE,WIRE WOUND,NON

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

ST731: RESISTOR,VARIABLE,WIRE WOUND,NON.

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include shape: RECTANGULAR, design_type: FILTER MEDIA WITH FRAME, flat_height: 0.219 INCHES NOMINAL IN, shaft_style: ROUND, FLATTED, switch_type: ROTARY, shaft_length: 1.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-278-7347, 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
MRO→ MRO_GENERAL→ ST731
NSN: 3110-00-278-7347
NIINs: 002787347, 002798874, 009068090
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
shapeRECTANGULAR
design_typeFILTER MEDIA WITH FRAME
flat_height0.219 INCHES NOMINAL IN
shaft_styleROUND, FLATTED
switch_typeROTARY
shaft_length1.875 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
shaft_diameter0.250 INCHES NOMINAL IN
mounting_methodPUSH SNAP-ON
section_quantity1
features_providedSWITCH
first_flat_length0.344 INCHES NOMINAL IN
NSN3110-00-278-7347
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: ST731 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 1
BB16Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST731?
ST731 is a RESISTOR,VARIABLE,WIRE WOUND,NON. It is classified as a MRO (MRO_GENERAL).
What parts can replace ST731?
There is 1 known substitute for ST731: BB16. Substitute compatibility should be verified for your specific system.
What is the NSN for ST731?
ST731 is cataloged in the U.S. Government catalog under NSN 3110-00-278-7347. This indicates validated use in U.S. government and defense supply chains.
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