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6558-262 — RETAINER,OPTICAL ELEMENT

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

6558-262: 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: 0.150 INCHES NOMINAL IN, diameter: 0.147 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061, drive_type: DRILLED HOLE, guide_design: THREAD CHAMFER, hole_diameter: 3.490 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 1240-01-050-4810, 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
MRO→ MRO_GENERAL→ 6558-262
NSN: 1240-01-050-4810
NIINs: 010504810, 011814584
FSC: 1240 — Optical Sighting and Ranging Equipment
CAGE: 11871 — RECON/OPTICAL, INC. (USA)
SPECIFICATIONS
depth0.150 INCHES NOMINAL IN
diameter0.147 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061
drive_typeDRILLED HOLE
guide_designTHREAD CHAMFER
hole_diameter3.490 INCHES NOMINAL IN
guide_locationDRIVE EDGE
overall_length1.484 INCHES NOMINAL IN
setscrew_notchNOT PROVIDED
flange_diameter4.930 INCHES NOMINAL IN
shoulder_length1.034 INCHES NOMINAL IN
style_designatorSHOULDERED
NSN1240-01-050-4810
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,OPTICAL ELEMENT TITLE COMPONENT PN 6558-262 MFR RETAINER,OPTICAL ELEME
KEY FEATURES
•
FLANGE DIAMETER: 4.930 INCHES NOMINAL IN
•
SHOULDER LENGTH: 1.034 INCHES NOMINAL IN
•
HOLE OR SLOT QUANTITY: 8
•
DRIVE TYPE: DRILLED HOLE
•
DRIVE FACILITY ANGULAR SPACING IN DEG: 45.0
•
SHOULDER THREAD SIZE: 4.000IN.-6 IN
•
STYLE DESIGNATOR: SHOULDERED
•
SETSCREW NOTCH: NOT 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 DIAMETER4.930 INCHES NOMINAL IN
SHOULDER LENGTH1.034 INCHES NOMINAL IN
HOLE OR SLOT QUANTITY8
DRIVE TYPEDRILLED HOLE
DRIVE FACILITY ANGULAR SPACING IN DEG45.0
SHOULDER THREAD SIZE4.000IN.-6 IN
STYLE DESIGNATORSHOULDERED
SETSCREW NOTCHNOT PROVIDED
DIAMETER0.147 INCHES NOMINAL IN
OVERALL LENGTH1.484 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
12266637Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6558-262?
6558-262 is a RETAINER,OPTICAL ELEMENT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 6558-262?
There is 1 known substitute for 6558-262: 12266637. Substitute compatibility should be verified for your specific system.
What is the NSN for 6558-262?
6558-262 is cataloged in the U.S. Government catalog under NSN 1240-01-050-4810. 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.