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31-500X500X040RSS — BELT,FLAT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

31-500X500X040RSS: BELT,FLAT.

The BELT,FLAT is a the manufacturer industrial component. Key specifications include material: COTTON BODY, usage_design: TRANSMITTING POWER, nominal_width: 0.500 INCHES IN, style_designator: REGULAR FLAT TYPE, nominal_thickness: 0.040 INCHES IN, surface_condition: SMOOTH PULLEY SURFACE. This part is cataloged in the U.S.

Government catalog under NSN 3030-00-053-0394, 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
31-500X500X040RSS
NSN: 3030-00-053-0394
FSC: 3030 — Belting, Drive Belts, Fan Belts, and Accessories
CAGE: 73518 — TILTON ENGINEERING COMPONENTS (USA)
SPECIFICATIONS
materialCOTTON BODY
ply_quantity1
usage_designTRANSMITTING POWER
nominal_width0.500 INCHES IN
style_designatorREGULAR FLAT TYPE
nominal_thickness0.040 INCHES IN
surface_conditionSMOOTH PULLEY SURFACE
nominal_inside_circumference31.420 INCHES IN
NSN3030-00-053-0394
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BELT,FLAT TITLE COMPONENT PN 31-500X500X040RSS MFR BELT,FLAT
KEY FEATURES
•
NOMINAL INSIDE CIRCUMFERENCE: 31.420 INCHES IN
•
USAGE DESIGN: TRANSMITTING POWER
•
STYLE DESIGNATOR: REGULAR FLAT TYPE
•
SURFACE CONDITION: SMOOTH PULLEY SURFACE
•
PLY QUANTITY: 1
•
NOMINAL WIDTH: 0.500 INCHES IN
•
MATERIAL: COTTON BODY
TECHNICAL CHARACTERISTICS
NOMINAL INSIDE CIRCUMFERENCE31.420 INCHES IN
USAGE DESIGNTRANSMITTING POWER
STYLE DESIGNATORREGULAR FLAT TYPE
SURFACE CONDITIONSMOOTH PULLEY SURFACE
SURFACE CONDITIONSMOOTH TOP SURFACE
PLY QUANTITY1
NOMINAL WIDTH0.500 INCHES IN
MATERIALCOTTON BODY
MATERIALRUBBER OVERALL
NOMINAL THICKNESS0.040 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 2
B1231Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
4532872-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 31-500X500X040RSS?
31-500X500X040RSS is a BELT,FLAT.
What parts can replace 31-500X500X040RSS?
There are 2 known substitutes for 31-500X500X040RSS: B1231, 4532872-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 31-500X500X040RSS?
31-500X500X040RSS is cataloged in the U.S. Government catalog under NSN 3030-00-053-0394. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.