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Technical Data Sheet
PartsTable / COMPONENT / 644-032
644-032 ✓ Verified by PartsTable
— · MOTOR
WHAT YOU NEED TO KNOW
NEMA frame determines mounting bolt pattern TEFC for outdoor, ODP for dry indoor only
C-face vs foot-mount — different mounting
PRODUCT OVERVIEW

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include body_width: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, body_height: 0.140 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN, body_length: 0.710 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN, specific_use: AUTOMATIC SPEED CORRECTOR, mounting_method: FIXED BASE, features_provided: BIPOLAR AND LOW POWER AND MONOLITHIC AND POSITIVE OUTPUTS AND SCHOTTKY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-00-339-3314, 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
644-032
NSN: 6105-00-339-3314
FSC: 6105
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
body_width0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
body_height0.140 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
body_length0.710 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
specific_useAUTOMATIC SPEED CORRECTOR
mounting_methodFIXED BASE
features_providedBIPOLAR AND LOW POWER AND MONOLITHIC AND POSITIVE OUTPUTS AND SCHOTTKY
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
precious_materialSILVER
inclosure_materialPLASTIC
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
operating_temp_range+0.0 TO 70.0 CELSIUS DEGC
input_circuit_patternQUAD 2 INPUT
NSN6105-00-339-3314
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 644-032 · 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
•
SPECIFIC USE: AUTOMATIC SPEED CORRECTOR
•
MOUNTING METHOD: FIXED BASE
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFIC USEAUTOMATIC SPEED CORRECTOR
MOUNTING METHODFIXED BASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
CS700001-2016Interchangeable
interchangeable cross-reference
interchangeable
B54390Interchangeable
interchangeable cross-reference
interchangeable
74LS32Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 644-032?
644-032 is a MICROCIRCUIT,DIGITAL.
What parts can replace 644-032?
There are 3 known substitutes for 644-032: CS700001-2016, B54390, 74LS32. Substitute compatibility should be verified for your specific system.
What is the NSN for 644-032?
644-032 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-00-339-3314. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026