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21-11155 — 21-11155

✓ Government record, cited
— · MOTOR
PRODUCT OVERVIEW

21-11155: 21-11155.

The 21-11155 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 6105-00-706-0852, 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
21-11155
NSN: 6105-00-706-0852
FSC: 6105 — Motors, Electrical
CAGE: 02598 — AEROFLEX LABORATORIES INC ROTATING COMPONENTS DIV (USA)
SPECIFICATIONS
Part Number21-11155
NSN6105-00-706-0852
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 21-11155 · 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
•
CONTROL FIELD IMPEDANCE RATING IN OHMS: 1130.0
•
MOUNTING FACILITY TYPE AND QUANTITY: 4 THREADED HOLE(S)
•
PHASE: SINGLE INPUT
•
SHAFT DIAMETER: 0.1770 INCHES NOMINAL SINGLE END IN
•
FREQUENCY IN HERTZ: 60.0 INPUT
•
TEETH QUANTITY: 15 SINGLE END
•
CURRENT TYPE: AC INPUT
TECHNICAL CHARACTERISTICS
CONTROL FIELD IMPEDANCE RATING IN OHMS1130.0
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED HOLE(S)
PHASESINGLE INPUT
SHAFT DIAMETER0.1770 INCHES NOMINAL SINGLE END IN
FREQUENCY IN HERTZ60.0 INPUT
TEETH QUANTITY15 SINGLE END
CURRENT TYPEAC INPUT
OVERALL LENGTH2.467 INCHES IN
MOUNTING METHODFACE
COOLING METHODNONVENTILATED
SUBSTITUTES & CROSS-REFERENCES 5
45-5205-03Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
18SM257Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
229-0233-00Reference document
Same NSN cross-reference
Reference document — Secondary reference
18-5205-03Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
M182Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21-11155?
21-11155 is a 21-11155.
What parts can replace 21-11155?
There are 5 known substitutes for 21-11155: 45-5205-03, 18SM257, 229-0233-00 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21-11155?
21-11155 is cataloged in the U.S. Government catalog under NSN 6105-00-706-0852. 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.