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18-421-1 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · MOTOR
PRODUCT OVERVIEW

18-421-1: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include phase: SINGLE INPUT, duty_cycle: CONTINUOUS, winding_type: INDUCTION-SHADED POLE, overall_width: 3.426 INCHES IN, thread_length: 0.5120 INCHES NOMINAL SINGLE END IN, cooling_method: NONVENTILATED. This part is cataloged in the U.S.

Government catalog under NSN 6105-00-851-4692, 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
18-421-1
NSN: 6105-00-851-4692
NIINs: 008514692, 012812624
FSC: 6105 — Motors, Electrical
CAGE: 49524 — SCOTSMAN INDUSTRIES INC DIV SCOTSMAN ICE SYSTEMS (USA)
SPECIFICATIONS
phaseSINGLE INPUT
duty_cycleCONTINUOUS
winding_typeINDUCTION-SHADED POLE
overall_width3.426 INCHES IN
thread_length0.5120 INCHES NOMINAL SINGLE END IN
cooling_methodNONVENTILATED
overall_height4.000 INCHES IN
overall_length3.611 INCHES IN
shaft_diameter0.2500 INCHES NOMINAL SINGLE END IN
mounting_methodFIXED BASE
shaft_end_styleEXTERNAL THREADED SINGLE END
special_featuresIMPEDANCE PROTECTED
NSN6105-00-851-4692
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 18-421-1 · 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
•
MOUNTING FACILITY TYPE AND QUANTITY: 12 THREADED HOLE(S)
•
DUTY CYCLE: CONTINUOUS
•
PHASE: SINGLE INPUT
•
SHAFT DIAMETER: 0.2500 INCHES NOMINAL SINGLE END IN
•
FREQUENCY IN HERTZ: 50.0 OR 60.0 INPUT
•
SHAFT CENTER TO MOUNTING SURFACE DISTANCE: 2.078 INCHES SINGLE END IN
•
SHAFT END STYLE: EXTERNAL THREADED SINGLE END
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY12 THREADED HOLE(S)
DUTY CYCLECONTINUOUS
PHASESINGLE INPUT
SHAFT DIAMETER0.2500 INCHES NOMINAL SINGLE END IN
FREQUENCY IN HERTZ50.0 OR 60.0 INPUT
SHAFT CENTER TO MOUNTING SURFACE DISTANCE2.078 INCHES SINGLE END IN
SHAFT END STYLEEXTERNAL THREADED SINGLE END
OVERALL LENGTH3.611 INCHES IN
WINDING TYPEINDUCTION-SHADED POLE
MOUNTING METHODFIXED BASE
SUBSTITUTES & CROSS-REFERENCES 1
SP-B5PEM1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 18-421-1?
18-421-1 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 18-421-1?
There is 1 known substitute for 18-421-1: SP-B5PEM1. Substitute compatibility should be verified for your specific system.
What is the NSN for 18-421-1?
18-421-1 is cataloged in the U.S. Government catalog under NSN 6105-00-851-4692. This indicates validated use in U.S. government and defense supply chains.
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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.