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12278948 — RETAINER,OPTICAL ELEMENT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12278948: RETAINER,OPTICAL ELEMENT.

The RETAINER,OPTICAL ELEMENT is a the manufacturer optical transceiver module designed for high-speed data center interconnects. Key specifications include depth: 0.060 INCHES NOMINAL IN, width: 0.060 INCHES NOMINAL IN, material: ALUMINUM ALLOY 2011 OR ALUMINUM ALLOY 6061, drive_type: SLOTTED, guide_design: THREAD CHAMFER, hole_diameter: 1.890 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 1240-01-079-3053, 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
12278948
NSN: 1240-01-079-3053
FSC: 1240 — Optical Sighting and Ranging Equipment
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
depth0.060 INCHES NOMINAL IN
width0.060 INCHES NOMINAL IN
materialALUMINUM ALLOY 2011 OR ALUMINUM ALLOY 6061
drive_typeSLOTTED
guide_designTHREAD CHAMFER
hole_diameter1.890 INCHES NOMINAL IN
overall_length0.375 INCHES NOMINAL IN
setscrew_notchPROVIDED
flange_diameter2.062 INCHES NOMINAL IN
shoulder_length0.281 INCHES NOMINAL IN
style_designatorSHOULDERED
shoulder_diameter2.000 INCHES NOMINAL IN
NSN1240-01-079-3053
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,OPTICAL ELEMENT TITLE COMPONENT PN 12278948 MFR RETAINER,OPTICAL ELEME
KEY FEATURES
•
FLANGE DIAMETER: 2.062 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.281 INCHES NOMINAL IN
•
HOLE OR SLOT QUANTITY: 2
•
DRIVE TYPE: SLOTTED
•
SHOULDER DIAMETER: 2.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED
•
SETSCREW NOTCH: PROVIDED
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)
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER2.062 INCHES NOMINAL IN
SHOULDER LENGTH0.281 INCHES NOMINAL IN
HOLE OR SLOT QUANTITY2
DRIVE TYPESLOTTED
SHOULDER DIAMETER2.000 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED
SETSCREW NOTCHPROVIDED
OVERALL LENGTH0.375 INCHES NOMINAL IN
GUIDE DESIGNTHREAD CHAMFER
DEPTH0.060 INCHES NOMINAL IN
OTHER ITEMS IN FSC 1240 — Optical Sighting and Ranging Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1240-00-000-0160 1240-00-001-4014 1240-00-001-4015 1240-00-001-4488 1240-00-003-1076 1240-00-003-8404 1240-00-003-8405 1240-00-003-8406
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 12278948?
12278948 is a RETAINER,OPTICAL ELEMENT.
What is the NSN for 12278948?
12278948 is cataloged in the U.S. Government catalog under NSN 1240-01-079-3053. 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.