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Technical Data Sheet
21888M ✓ 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 IBM 2-line PCI WAN Modem is a the manufacturer industrial component. Key specifications include material: STEEL LOCATION NOT OTHERWISE SPECIFIED, body_shape: ROUND, design_type: DRY, coolant_type: AIR, inlet_location: OFFSET ON END SECTION OF BODY, muffler_design: BAFFLE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2990-00-363-5995, 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
21888M
NSN: 2990-00-363-5995
FSC: 2990
CAGE: 76700 — CUMMINS FILTRATION INC. (USA)
SPECIFICATIONS
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
body_shapeROUND
design_typeDRY
coolant_typeAIR
inlet_locationOFFSET ON END SECTION OF BODY
muffler_designBAFFLE
overall_length25.000 INCHES NOMINAL IN
outlet_locationOFFSET ON END SECTION OF BODY
overall_diameter6.000 INCHES NOMINAL IN
surface_treatmentALUMINUM
inlet_connection_typeUNTHREADED SINGLE INLET
inlet_inside_diameter2.000 INCHES NOMINAL SINGLE INLET IN
NSN2990-00-363-5995
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IBM 2-line PCI WAN Modem TITLE COMPONENT PN 21888M MFR IBM 2-line PCI WAN Mod
KEY FEATURES
OVERALL DIAMETER: 6.000 INCHES NOMINAL IN
BODY SHAPE: ROUND
INLET CONNECTION TYPE: UNTHREADED SINGLE INLET
MUFFLER DESIGN: BAFFLE
COOLANT TYPE: AIR
DESIGN TYPE: DRY
OUTLET INSIDE DIAMETER: 2.000 INCHES NOMINAL FIRST OUTLET IN
OUTLET CONNECTION TYPE: UNTHREADED FIRST OUTLET
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER6.000 INCHES NOMINAL IN
BODY SHAPEROUND
INLET CONNECTION TYPEUNTHREADED SINGLE INLET
MUFFLER DESIGNBAFFLE
COOLANT TYPEAIR
DESIGN TYPEDRY
OUTLET INSIDE DIAMETER2.000 INCHES NOMINAL FIRST OUTLET IN
OUTLET CONNECTION TYPEUNTHREADED FIRST OUTLET
INLET INSIDE DIAMETER2.000 INCHES NOMINAL SINGLE INLET IN
OUTLET PROJECTION LENGTH2.500 INCHES NOMINAL FIRST OUTLET IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
FF-B-187/1Interchangeable
interchangeable cross-reference
interchangeable
L35592Interchangeable
interchangeable cross-reference
interchangeable
S6767Interchangeable
interchangeable cross-reference
interchangeable
2-544-1Interchangeable
interchangeable cross-reference
interchangeable
AH052SInterchangeable
interchangeable cross-reference
interchangeable
21850Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21888M?
21888M is a IBM 2-line PCI WAN Modem.
What parts can replace 21888M?
There are 24 known substitutes for 21888M: FF-B-187/1, L35592, S6767 and 21 more. Substitute compatibility should be verified for your specific system.
Is 21888M still available?
21888M is currently cancelled.
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