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Technical Data Sheet
820-551 ✓ 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 LENS,LIGHT is a the manufacturer industrial component. Key specifications include color: CLEAR LENS, material: PLASTIC LENS, flange_width: 0.021 INCHES NOMINAL IN, overall_width: 0.670 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN, overall_height: 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN, overall_length: 0.920 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-01-218-6646, 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
820-551
NSN: 6210-01-218-6646
FSC: 6210
CAGE: 96182 — SAFRAN ELECTRONICS & DEFENSE, AVIONICS USA, LLC DBA USE CAGE CODE 879B2 FOR CATALOGING (USA)
SPECIFICATIONS
colorCLEAR LENS
materialPLASTIC LENS
flange_width0.021 INCHES NOMINAL IN
overall_width0.670 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
overall_height0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
overall_length0.920 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN
mounting_methodFLANGE
effective_length0.879 INCHES MINIMUM AND 0.889 INCHES MAXIMUM IN
style_designatorFLAT
surface_conditionSMOOTH BACK
mounting_device_quantity1
light_transmission_designTRANSPARENT LENS
NSN6210-01-218-6646
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LENS,LIGHT TITLE COMPONENT PN 820-551 MFR LENS,LIGHT
KEY FEATURES
EFFECTIVE LENGTH: 0.879 INCHES MINIMUM AND 0.889 INCHES MAXIMUM IN
STYLE DESIGNATOR: FLAT
MOUNTING DEVICE QUANTITY: 1
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION: HEAT RESISTANT
SURFACE CONDITION: SMOOTH BACK
TECHNICAL CHARACTERISTICS (FLIS)
EFFECTIVE LENGTH0.879 INCHES MINIMUM AND 0.889 INCHES MAXIMUM IN
STYLE DESIGNATORFLAT
MOUNTING DEVICE QUANTITY1
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTIONHEAT RESISTANT
OVERALL LENGTH0.920 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN
OVERALL HEIGHT0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
OVERALL WIDTH0.670 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
SURFACE CONDITIONSMOOTH BACK
COLORCLEAR LENS
SURFACE CONDITIONSMOOTH FACE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
MIL-S-22885/82Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-22885/82Interchangeable
interchangeable cross-reference
interchangeable
801-551Interchangeable
interchangeable cross-reference
interchangeable
801-552Interchangeable
interchangeable cross-reference
interchangeable
M22885-82-02Interchangeable
interchangeable cross-reference
interchangeable
M22885/82-02Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 820-551?
820-551 is a LENS,LIGHT.
What parts can replace 820-551?
There are 18 known substitutes for 820-551: MIL-S-22885/82, MIL-PRF-22885/82, 801-551 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 820-551?
820-551 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-01-218-6646. This indicates validated use in U.S. government and defense supply chains.
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