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Technical Data Sheet
1128B42251-19 ✓ 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

CONTACT STRIP,RADIO FREQUENCY GR. Key specifications include material: COPPER ALLOY 172, unit_type: CHANNEL, overall_height: 0.937 INCHES NOMINAL IN, overall_length: 24.000 INCHES NOMINAL IN, mounting_method: PRESS FIT, overall_thickness: 0.004 INCHES MINIMUM AND 0.005 INCHES MAXIMUM 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 5940-01-007-9935, 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
1128B42251-19
NSN: 5940-01-007-9935
FSC: 5940
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY 172
unit_typeCHANNEL
overall_height0.937 INCHES NOMINAL IN
overall_length24.000 INCHES NOMINAL IN
mounting_methodPRESS FIT
overall_thickness0.004 INCHES MINIMUM AND 0.005 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE
contact_finger_quantity64
material_document_and_classificationQQ-C-533, ALLOY 172 FED SPEC SINGLE MATERIAL RESPONSE
NSN5940-01-007-9935
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONTACT STRIP,RADIO FREQUENCY GR TITLE COMPONENT PN 1128B42251-19 MFR CONTACT STRIP,RADIO FR
KEY FEATURES
MOUNTING METHOD: PRESS FIT
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-533, ALLOY 172 FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL: COPPER ALLOY 172
SURFACE TREATMENT: CADMIUM AND CHROMATE
CONTACT FINGER QUANTITY: 64
UNIT TYPE: CHANNEL
OVERALL THICKNESS: 0.004 INCHES MINIMUM AND 0.005 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING METHODPRESS FIT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-533, ALLOY 172 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY 172
SURFACE TREATMENTCADMIUM AND CHROMATE
CONTACT FINGER QUANTITY64
UNIT TYPECHANNEL
OVERALL LENGTH24.000 INCHES NOMINAL IN
OVERALL THICKNESS0.004 INCHES MINIMUM AND 0.005 INCHES MAXIMUM IN
OVERALL HEIGHT0.937 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
17661Interchangeable
interchangeable cross-reference
interchangeable
3633984Interchangeable
interchangeable cross-reference
interchangeable
2463090Interchangeable
interchangeable cross-reference
interchangeable
8399XSInterchangeable
interchangeable cross-reference
interchangeable
911A-PM-111BInterchangeable
interchangeable cross-reference
interchangeable
1766Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1128B42251-19?
1128B42251-19 is a CONTACT STRIP,RADIO FREQUENCY GR.
What parts can replace 1128B42251-19?
There are 17 known substitutes for 1128B42251-19: 17661, 3633984, 2463090 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1128B42251-19?
1128B42251-19 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-01-007-9935. This indicates validated use in U.S. government and defense supply chains.
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