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Technical Data Sheet
PartsTable / COMPONENT / 1/2R
1/2R ✓ 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 1/2R is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-318-7740, 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
1/2R
NSN: 3455-00-318-7740
FSC: 3455
CAGE: 54251 — SEVERANCE TOOL INDUSTRIES INC. (USA)
SPECIFICATIONS
Part Number1/2R
NSN3455-00-318-7740
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 1/2R TITLE COMPONENT PN 1/2R MFR 1/2R
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
25578Interchangeable
interchangeable cross-reference
interchangeable
40390Interchangeable
interchangeable cross-reference
interchangeable
13375Interchangeable
interchangeable cross-reference
interchangeable
TC28Interchangeable
interchangeable cross-reference
interchangeable
CSF-5MInterchangeable
interchangeable cross-reference
interchangeable
SF5MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1/2R?
1/2R is a 1/2R.
What parts can replace 1/2R?
There are 25 known substitutes for 1/2R: 25578, 40390, 13375 and 22 more. Substitute compatibility should be verified for your specific system.
Is 1/2R still available?
1/2R 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