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Technical Data Sheet
PartsTable / COMPONENT / 40693B
40693B ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SHAFT,WATER PUMP is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 6.40 MILLIMETERS NOMINAL MM, thread_length: 25.0 MILLIMETERS NOMINAL MM, fastener_length: 25.0 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2930-00-383-4357, 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
40693B
NSN: 2930-00-383-4357
FSC: 2930
CAGE: 28265 — HERCULES ENGINE CO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height6.40 MILLIMETERS NOMINAL MM
thread_length25.0 MILLIMETERS NOMINAL MM
fastener_length25.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
width_between_flats19.87 MILLIMETERS NOMINAL MM
end_item_identificationMRAP BUFFALO MK2A2
nominal_thread_diameter10.0 MILLIMETERS MM
thread_series_designatorM
thread_pitch_in_millimeters1.5
external_thread_tolerance_classL6G
NSN2930-00-383-4357
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,WATER PUMP TITLE COMPONENT PN 40693B MFR SHAFT,WATER PUMP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
PS161Interchangeable
interchangeable cross-reference
interchangeable
40693Interchangeable
interchangeable cross-reference
interchangeable
4583-650Interchangeable
interchangeable cross-reference
interchangeable
40693-001Interchangeable
interchangeable cross-reference
interchangeable
12759-00704Interchangeable
interchangeable cross-reference
interchangeable
44478Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40693B?
40693B is a SHAFT,WATER PUMP.
What parts can replace 40693B?
There are 9 known substitutes for 40693B: PS161, 40693, 4583-650 and 6 more. Substitute compatibility should be verified for your specific system.
Is 40693B still available?
40693B is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026