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87900-51 — 87900-51

✓ Government record, cited
— · MOTOR
PRODUCT OVERVIEW

87900-51: 87900-51.

The 87900-51 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 6105-01-222-2153, 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
87900-51
NSN: 6105-01-222-2153
FSC: 6105 — Motors, Electrical
CAGE: 71956 — RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS (USA)
SPECIFICATIONS
Part Number87900-51
NSN6105-01-222-2153
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 87900-51 · 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
•
KEYWAY DEPTH: 0.320 INCHES NOMINAL IDENTICAL ENDS IN
•
MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE(S)
•
DUTY CYCLE: INTERMITTENT
•
PHASE: THREE INPUT
•
SHAFT DIAMETER: 2.125 INCHES NOMINAL FIRST END IN
•
FREQUENCY IN HERTZ: 60.0 INPUT
•
SHAFT CENTER TO MOUNTING SURFACE DISTANCE: 10.970 INCHES IDENTICAL ENDS IN
TECHNICAL CHARACTERISTICS
KEYWAY DEPTH0.320 INCHES NOMINAL IDENTICAL ENDS IN
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE(S)
DUTY CYCLEINTERMITTENT
PHASETHREE INPUT
SHAFT DIAMETER2.125 INCHES NOMINAL FIRST END IN
SHAFT DIAMETER2.375 INCHES NOMINAL SECOND END IN
FREQUENCY IN HERTZ60.0 INPUT
SHAFT CENTER TO MOUNTING SURFACE DISTANCE10.970 INCHES IDENTICAL ENDS IN
SHAFT END STYLEFLAT KEYWAY AND PLAIN FIRST END
SHAFT END STYLEFLAT KEYWAY AND PLAIN SECOND END
OTHER ITEMS IN FSC 6105 — Motors, Electrical
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6105-00-001-1471 6105-00-001-1473 6105-00-001-1497 6105-00-001-1710 6105-00-001-1712 6105-00-001-2097 6105-00-001-2098 6105-00-001-3680
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 87900-51?
87900-51 is a 87900-51.
What is the NSN for 87900-51?
87900-51 is cataloged in the U.S. Government catalog under NSN 6105-01-222-2153. This indicates validated use in U.S. government and defense supply chains.
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U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.