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72-2491 — SHAFT,STRAIGHT

✓ Government record, cited
— · MOTOR
PRODUCT OVERVIEW

72-2491: SHAFT,STRAIGHT.

The SHAFT,STRAIGHT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_length: 19.750 INCHES NOMINAL IN, first_end_style: CIRCULAR GROOVED, special_features: 2ND GROOVE N 1ST END 0.280 IN. W,1.008 IN.

DIA,1.562 IN. DISTANCE FROM END TO GROOVE IN, first_end_diameter: 1.2500 INCHES NOMINAL IN, second_end_diameter: 1.2500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 6115-00-370-2741, 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
72-2491
NSN: 6115-00-370-2741
NIINs: 003702741, 004054129
FSC: 6115 — Generators and Generator Sets, Electrical
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_length19.750 INCHES NOMINAL IN
first_end_styleCIRCULAR GROOVED
special_features2ND GROOVE N 1ST END 0.280 IN. W,1.008 IN. DIA,1.562 IN. DISTANCE FROM END TO GROOVE IN
first_end_diameter1.2500 INCHES NOMINAL IN
second_end_diameter1.2500 INCHES NOMINAL IN
first_end_groove_width0.2800 INCHES NOMINAL IN
second_end_groove_width1.0000 INCHES NOMINAL IN
first_end_groove_diameter0.6740 INCHES NOMINAL IN
second_end_groove_diameter0.8750 INCHES NOMINAL IN
first_end_distance_from_end_to_groove0.281 INCHES NOMINAL IN
second_end_distance_from_end_to_groove9.825 INCHES NOMINAL IN
NSN6115-00-370-2741
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 72-2491 · OEM ⚠ VERIFY BEFORE ORDERING NEMA frame size determines mounting bolt pattern — not interchangeable. 56C ≠ 143T bolt pattern. C-face vs foot-mount vs flange — different mounting, same HP doesn't mean drop-in ✓ BROKER TIP TEFC = outdoor/washdown OK. ODP = dry indoor only. TENV = no external fan, explosion-proof areas. 1750 RPM = 4-pole (most common), 3450 RPM = 2-pole, 1150 RPM = 6-pole PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: AC,12.5 TO 15 KW,50 TO 60 HZ,DESIGNED FOR GENERATOR SET,DIESEL ENGINE
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONAC,12.5 TO 15 KW,50 TO 60 HZ,DESIGNED FOR GENERATOR SET,DIESEL ENGINE
END ITEM IDENTIFICATION6115-118-1241
END ITEM IDENTIFICATION6115-118-1245
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 72-2491?
72-2491 is a SHAFT,STRAIGHT.
What is the NSN for 72-2491?
72-2491 is cataloged in the U.S. Government catalog under NSN 6115-00-370-2741. 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.