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Technical Data Sheet
3542-81 ✓ 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 INLET,PUMP IMPELLER is a the manufacturer industrial component. Key specifications include width: 6.000 INCHES NOMINAL IN, length: 8.500 INCHES NOMINAL IN, cab_type: OVER ENGINE, end_type: EXTERNAL THREAD SECOND END, material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, head_angle: 30.0 DEGREES NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-759-5533, 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
3542-81
NSN: 4320-00-759-5533
FSC: 4320
CAGE: 0APJ5 — COFFIN TURBO PUMP INC (USA)
SPECIFICATIONS
width6.000 INCHES NOMINAL IN
length8.500 INCHES NOMINAL IN
cab_typeOVER ENGINE
end_typeEXTERNAL THREAD SECOND END
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
head_angle30.0 DEGREES NOMINAL
inside_width4.000 INCHES NOMINAL IN
model_numberCHLC3 BODY
cab_roof_typeCLOSED
corner_radius0.500 INCHES NOMINAL IN
hole_diameter0.257 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
inside_length6.500 INCHES NOMINAL IN
NSN4320-00-759-5533
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INLET,PUMP IMPELLER TITLE COMPONENT PN 3542-81 MFR INLET,PUMP IMPELLER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
37165Interchangeable
interchangeable cross-reference
interchangeable
1172-762Interchangeable
interchangeable cross-reference
interchangeable
H-73602Interchangeable
interchangeable cross-reference
interchangeable
1620-35-42Interchangeable
interchangeable cross-reference
interchangeable
35-42Interchangeable
interchangeable cross-reference
interchangeable
N-117080-AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3542-81?
3542-81 is a INLET,PUMP IMPELLER.
What parts can replace 3542-81?
There are 15 known substitutes for 3542-81: 37165, 1172-762, H-73602 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3542-81?
3542-81 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-759-5533. This indicates validated use in U.S. government and defense supply chains.
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