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306688 — 306688

✓ Government record, cited
— · MOTOR
PRODUCT OVERVIEW

306688: 306688.

The 306688 is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: 0.750 IN.DIA; 0.375 IN.THK IN. This part is cataloged in the U.S.

Government catalog under NSN 6105-00-553-1320, 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
306688
NSN: 6105-00-553-1320
NIINs: 005531320, 007879049
FSC: 6105 — Motors, Electrical
CAGE: 36090 — LOCKHEED MARTIN LIBRASCOPE CORPORATION (USA)
SPECIFICATIONS
general_characteristics_item_description0.750 IN.DIA; 0.375 IN.THK IN
NSN6105-00-553-1320
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 306688 · 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: 4 THREADED HOLE(S)
•
DUTY CYCLE: CONTINUOUS
•
PHASE: SINGLE INPUT
•
SHAFT DIAMETER: 0.3123 INCHES NOMINAL SINGLE END IN
•
FREQUENCY IN HERTZ: 60.0 INPUT
•
WINDING TYPE: SYNCHRONOUS
•
MOUNTING METHOD: FACE
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED HOLE(S)
DUTY CYCLECONTINUOUS
PHASESINGLE INPUT
SHAFT DIAMETER0.3123 INCHES NOMINAL SINGLE END IN
FREQUENCY IN HERTZ60.0 INPUT
OVERALL LENGTH6.078 INCHES IN
WINDING TYPESYNCHRONOUS
MOUNTING METHODFACE
COOLING METHODNONVENTILATED
SHAFT ROTATION DIRECTIONCLOCKWISE OR COUNTERCLOCKWISE SINGLE END
SUBSTITUTES & CROSS-REFERENCES 2
1265677Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LH712RSCJ1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 306688?
306688 is a 306688.
What parts can replace 306688?
There are 2 known substitutes for 306688: 1265677, LH712RSCJ1. Substitute compatibility should be verified for your specific system.
What is the NSN for 306688?
306688 is cataloged in the U.S. Government catalog under NSN 6105-00-553-1320. 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.