PartsTable
Technical Data Sheet
Download PDF

31320J — INSERT,FLEXIBLE COUPLING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

31320J: INSERT,FLEXIBLE COUPLING.

The INSERT,FLEXIBLE COUPLING is a the manufacturer industrial component. Key specifications include end_item_identification: ASSEMBLY, BOW THRUSTER, part_name_assigned_by_controlling_agency: BEARING, ROLLER, TAPERED. This part is cataloged in the U.S.

Government catalog under NSN 3010-00-204-0170, 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
31320J
NSN: 3010-00-204-0170
NIINs: 002040170, 015750750
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
end_item_identificationASSEMBLY, BOW THRUSTER
part_name_assigned_by_controlling_agencyBEARING, ROLLER, TAPERED
NSN3010-00-204-0170
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSERT,FLEXIBLE COUPLING TITLE COMPONENT PN 31320J MFR INSERT,FLEXIBLE COUPLI
KEY FEATURES
•
OVERALL THICKNESS: 1.219 INCHES NOMINAL IN
•
BOLT HOLE DIAMETER: 0.313 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 6
•
BOLT CIRCLE DIAMETER: 3.125 INCHES NOMINAL IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
OVERALL THICKNESS1.219 INCHES NOMINAL IN
BOLT HOLE DIAMETER0.313 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
BOLT CIRCLE DIAMETER3.125 INCHES NOMINAL IN
SPECIAL FEATURESLAMINATED CONSTRUCTION FEATURE-NOT INCL.;BORE DIA 1.500 IN.;MAX OD 4.000 IN. IN
MATERIALRUBBER
SUBSTITUTES & CROSS-REFERENCES 1
15731AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
Ready to buy 31320J?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 31320J?
31320J is a INSERT,FLEXIBLE COUPLING.
What parts can replace 31320J?
There is 1 known substitute for 31320J: 15731A. Substitute compatibility should be verified for your specific system.
What is the NSN for 31320J?
31320J is cataloged in the U.S. Government catalog under NSN 3010-00-204-0170. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 31320J

✓ 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.