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125C921 — SIGHT,BORE,OPTICAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

125C921: SIGHT,BORE,OPTICAL.

The SIGHT,BORE,OPTICAL is a the manufacturer optical transceiver module designed for high-speed data center interconnects. This part is cataloged in the U.S. Government catalog under NSN 4933-01-328-1076, 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
125C921
NSN: 4933-01-328-1076
FSC: 4933 — Weapons Maintenance and Repair Shop Specialized Equipment
CAGE: 05606 — GENERAL DYNAMICS-OTS, INC. DIV ORDNANCE AND TACTICAL SYSTEMS (USA)
SPECIFICATIONS
Part Number125C921
NSN4933-01-328-1076
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SIGHT,BORE,OPTICAL TITLE COMPONENT PN 125C921 MFR SIGHT,BORE,OPTICAL
TYPICAL APPLICATIONS
  • Data center switch-to-switch interconnects
  • Server-to-storage fabric connectivity
  • Long-distance fiber optic links
  • High-speed uplink connections (10G/25G/40G/100G)
OTHER ITEMS IN FSC 4933 — Weapons Maintenance and Repair Shop Specialized Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4933-00-001-8337 4933-00-001-9985 4933-00-005-5105 4933-00-006-4092 4933-00-006-9208 4933-00-006-9209 4933-00-006-9211 4933-00-006-9219
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 125C921?
125C921 is a SIGHT,BORE,OPTICAL.
What is the NSN for 125C921?
125C921 is cataloged in the U.S. Government catalog under NSN 4933-01-328-1076. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.