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Technical Data Sheet
PartsTable / COMPONENT / 4-188-27-1-1B
4-188-27-1-1B ✓ 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

RECEIVER-TRANSMITTER,LIGHT SIGNA. Key specifications include material: ALUMINUM, tip_type: FLAT TIP, tip_width: 0.500 INCHES NOMINAL IN, bore_shape: STRAIGHT, body_material: STEEL, bore_diameter: 10.0 MILLIMETERS NOMINAL MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3030-00-529-0484, 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
4-188-27-1-1B
NSN: 3030-00-529-0484
FSC: 3030
CAGE: 16479 — BUFFALO CHINA INC (USA)
SPECIFICATIONS
materialALUMINUM
tip_typeFLAT TIP
tip_width0.500 INCHES NOMINAL IN
bore_shapeSTRAIGHT
body_materialSTEEL
bore_diameter10.0 MILLIMETERS NOMINAL MM
overall_depth1.000 INCHES NOMINAL IN
overall_width1.000 INCHES NOMINAL IN
alignment_typeRIGID
load_directionRADIAL
overall_height0.500 INCHES NOMINAL IN
overall_length1.875 INCHES NOMINAL IN
NSN3030-00-529-0484
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RECEIVER-TRANSMITTER,LIGHT SIGNA TITLE COMPONENT PN 4-188-27-1-1B MFR RECEIVER-TRANSMITTER,L
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
S5921Interchangeable
interchangeable cross-reference
interchangeable
673-0235-00Interchangeable
interchangeable cross-reference
interchangeable
4125-8Interchangeable
interchangeable cross-reference
interchangeable
GT8069Interchangeable
interchangeable cross-reference
interchangeable
B001-TP19-N4115A70Interchangeable
interchangeable cross-reference
interchangeable
8069Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4-188-27-1-1B?
4-188-27-1-1B is a RECEIVER-TRANSMITTER,LIGHT SIGNA.
What parts can replace 4-188-27-1-1B?
There are 24 known substitutes for 4-188-27-1-1B: S5921, 673-0235-00, 4125-8 and 21 more. Substitute compatibility should be verified for your specific system.
Is 4-188-27-1-1B still available?
4-188-27-1-1B 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