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Technical Data Sheet
121054 ✓ 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 DIAPHRAGM,PRESSURE SWITCH is a the manufacturer industrial component. Key specifications include material: STEEL LOCATION NOT OTHERWISE SPECIFIED, body_shape: ROUND, design_type: DRY, inlet_location: CENTRALLY LOCATED IN END SECTION OF BODY, muffler_design: STRAIGHT THROUGH, overall_length: 13.125 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4130-00-372-5533, 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
121054
NSN: 4130-00-372-5533
FSC: 4130
CAGE: 00736 — FALLS FILTRATION TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
body_shapeROUND
design_typeDRY
tube_quantity1
inlet_locationCENTRALLY LOCATED IN END SECTION OF BODY
muffler_designSTRAIGHT THROUGH
overall_length13.125 INCHES NOMINAL IN
baffle_quantity1
outlet_locationCENTRALLY LOCATED IN END SECTION OF BODY
overall_diameter8.500 INCHES NOMINAL IN
surface_treatmentALUMINUM
operating_positionHORIZONTAL
NSN4130-00-372-5533
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DIAPHRAGM,PRESSURE SWITCH TITLE COMPONENT PN 121054 MFR DIAPHRAGM,PRESSURE SWI
KEY FEATURES
BODY THICKNESS: 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
DESIGN TYPE: REUSABLE
STYLE DESIGNATOR: RECTANGULAR (INCL SQUARE)
FILTERING MEDIA DESIGN: CRIMPED FIRST FILTERING MEDIA RESPONSE
MATERIAL: ALUMINUM ALLOY FILTERING MEDIUM
BODY OVERALL LENGTH: 12.940 INCHES MINIMUM AND 13.000 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY THICKNESS0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
DESIGN TYPEREUSABLE
STYLE DESIGNATORRECTANGULAR (INCL SQUARE)
FILTERING MEDIA DESIGNCRIMPED FIRST FILTERING MEDIA RESPONSE
FILTERING MEDIA DESIGNMESH SECOND FILTERING MEDIA RESPONSE
MATERIALALUMINUM ALLOY FILTERING MEDIUM
BODY OVERALL LENGTH12.940 INCHES MINIMUM AND 13.000 INCHES MAXIMUM IN
OVERALL WIDTH7.940 INCHES MINIMUM AND 8.000 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
ABT8912Interchangeable
interchangeable cross-reference
interchangeable
404967Interchangeable
interchangeable cross-reference
interchangeable
121054Interchangeable
interchangeable cross-reference
interchangeable
C743895-3REV6Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121054?
121054 is a DIAPHRAGM,PRESSURE SWITCH.
What parts can replace 121054?
There are 4 known substitutes for 121054: ABT8912, 404967, 121054 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 121054?
121054 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4130-00-372-5533. This indicates validated use in U.S. government and defense supply chains.
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