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20 1453 — COUPLING,SHAFT,FLEXIBLE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

20 1453: COUPLING,SHAFT,FLEXIBLE.

The COUPLING,SHAFT,FLEXIBLE is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: HUB FLEXIBLE COUPLING. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-282-6140, 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
20 1453
NSN: 5310-00-282-6140
NIINs: 002826140, 016665322
FSC: 5310 — Nuts and Washers
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyHUB FLEXIBLE COUPLING
NSN5310-00-282-6140
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 20 1453 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OVERALL DIAMETER: 2.500 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: CORK OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 1.469 INCHES NOMINAL IN
•
THICKNESS: 0.406 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER2.500 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALCORK OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER1.469 INCHES NOMINAL IN
THICKNESS0.406 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
C4100Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20 1453?
20 1453 is a COUPLING,SHAFT,FLEXIBLE.
What parts can replace 20 1453?
There is 1 known substitute for 20 1453: C4100. Substitute compatibility should be verified for your specific system.
What is the NSN for 20 1453?
20 1453 is cataloged in the U.S. Government catalog under NSN 5310-00-282-6140. 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.