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257977 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · MOTOR
PRODUCT OVERVIEW

257977: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include end_item_identification: CRANE TELESCOPING BOOM, part_name_assigned_by_controlling_agency: NUT. This part is cataloged in the U.S.

Government catalog under NSN 6105-00-230-7977, 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
257977
NSN: 6105-00-230-7977
NIINs: 002307977, 017249106
FSC: 6105 — Motors, Electrical
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
end_item_identificationCRANE TELESCOPING BOOM
part_name_assigned_by_controlling_agencyNUT
NSN6105-00-230-7977
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 257977 · 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
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KEYWAY DEPTH: 0.1082 INCHES NOMINAL SINGLE END IN
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MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE(S)
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DUTY CYCLE: CONTINUOUS
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PHASE: THREE INPUT
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SHAFT DIAMETER: 0.6250 INCHES NOMINAL SINGLE END IN
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FREQUENCY IN HERTZ: 60.0 INPUT
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SHAFT CENTER TO MOUNTING SURFACE DISTANCE: 3.750 INCHES SINGLE END IN
•
SHAFT END STYLE: FLAT KEYWAY SINGLE END
TECHNICAL CHARACTERISTICS
KEYWAY DEPTH0.1082 INCHES NOMINAL SINGLE END IN
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE(S)
DUTY CYCLECONTINUOUS
PHASETHREE INPUT
SHAFT DIAMETER0.6250 INCHES NOMINAL SINGLE END IN
FREQUENCY IN HERTZ60.0 INPUT
SHAFT CENTER TO MOUNTING SURFACE DISTANCE3.750 INCHES SINGLE END IN
SHAFT END STYLEFLAT KEYWAY SINGLE END
OVERALL LENGTH10.218 INCHES IN
WINDING TYPEINDUCTION-SQUIRREL CAGE
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 257977?
257977 is a NUT,PLAIN,HEXAGON.
What is the NSN for 257977?
257977 is cataloged in the U.S. Government catalog under NSN 6105-00-230-7977. This indicates validated use in U.S. government and defense supply chains.
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