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1321393 — COUPLING HALF,SHAFT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1321393: COUPLING HALF,SHAFT.

The COUPLING HALF,SHAFT is a the manufacturer industrial component. Key specifications include material: STEEL, body_style: 2 PERIPHERAL KEYWAYS, THROUGH BORE, bore_shape: SPLINED, overall_length: 1.500 INCHES NOMINAL IN, spline_quantity: 19, outside_diameter: 3.843 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3010-01-317-7555, 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
1321393
NSN: 3010-01-317-7555
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL
body_style2 PERIPHERAL KEYWAYS, THROUGH BORE
bore_shapeSPLINED
overall_length1.500 INCHES NOMINAL IN
spline_quantity19
outside_diameter3.843 INCHES NOMINAL IN
spline_major_diameter1.250 INCHES NOMINAL IN
NSN3010-01-317-7555
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING HALF,SHAFT TITLE COMPONENT PN 1321393 MFR COUPLING HALF,SHAFT
KEY FEATURES
•
BODY STYLE: 2 PERIPHERAL KEYWAYS, THROUGH BORE
•
SPLINE MAJOR DIAMETER: 1.250 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.843 INCHES NOMINAL IN
•
BORE SHAPE: SPLINED
•
SPLINE QUANTITY: 19
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
BODY STYLE2 PERIPHERAL KEYWAYS, THROUGH BORE
OVERALL LENGTH1.500 INCHES NOMINAL IN
SPLINE MAJOR DIAMETER1.250 INCHES NOMINAL IN
OUTSIDE DIAMETER3.843 INCHES NOMINAL IN
BORE SHAPESPLINED
SPLINE QUANTITY19
SPECIAL FEATURESIBODY KEYING FACILITY WD:0.625" NOM.; POSITIONING HOLE STYLE:PLAIN; BORE COUNTERBORE FEATURE:NOT INCLUDED; SPLINE LG.:0.125" NOM.; HUB OD:2.062" NOM.; BORE LG.:1.250" NOM.; SPLINE MINOR DIA.:1.125" NOM.
MATERIALSTEEL
OTHER ITEMS IN FSC 3010 — Torque Converters and Speed Changers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3010-00-001-0013 3010-00-001-0067 3010-00-001-0069 3010-00-001-0095 3010-00-001-1239 3010-00-001-1689 3010-00-001-2168 3010-00-001-2173
SUBSTITUTES & CROSS-REFERENCES 2
126DBZReference document
Same NSN cross-reference
Reference document — Secondary reference
DBZ126 COUPLING HUBSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1321393?
1321393 is a COUPLING HALF,SHAFT.
What parts can replace 1321393?
There are 2 known substitutes for 1321393: 126DBZ, DBZ126 COUPLING HUB. Substitute compatibility should be verified for your specific system.
What is the NSN for 1321393?
1321393 is cataloged in the U.S. Government catalog under NSN 3010-01-317-7555. 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.