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Technical Data Sheet
PartsTable / COMPONENT / 40-666-2179
40-666-2179 ✓ Verified by PartsTable
— · SFP TRANSCEIVER
WHAT YOU NEED TO KNOW
SR = Short Range (multimode, 300m) | LR = Long Range (single-mode, 10km) DOM = Digital Optical Monitoring — most enterprise SFPs support it
MATCH ALL THREE: Speed + Wavelength + Brand compatibility
PRODUCT OVERVIEW

The SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include hole_diameter: 0.763 INCHES MINIMUM AND 0.783 INCHES MAXIMUM IN, hardness_rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM, outside_diameter: 1.271 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.188 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN, nondefinitive_spec/std_data: 2 STYLE AND A CLASS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-450-9283, 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
40-666-2179
NSN: 5961-01-450-9283
FSC: 5961
CAGE: K0801 — HENSOLDT UK (GBR)
SPECIFICATIONS
hole_diameter0.763 INCHES MINIMUM AND 0.783 INCHES MAXIMUM IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
outside_diameter1.271 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.188 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
nondefinitive_spec/std_data2 STYLE AND A CLASS
general_characteristics_item_descriptionMATERIAL STEEL; FINISH CADMIUM PLATED; 1.875 IN. FROM CENTER TO CENTER OF 0.250 IN. DIA HOLE IN
NSN5961-01-450-9283
COMPONENT DIAGRAM
BAIL LATCH 10G SFP+ 850nm · SR (MMF, 300m) DOM: Digital Optical Monitoring TX RX LC DUPLEX 20-PIN EDGE CONNECTOR ~56.5 mm ~13.4mm SFP+ TRANSCEIVER | 10G | 850nm | SR (MMF, 300m) Hot-swappable | LC duplex fiber | DDM/DOM supported TITLE SFP+ XCVR PN 40-666-2179 MFR OEM SEMICONDUCTOR DEVICE,DIODE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
103326Interchangeable
interchangeable cross-reference
interchangeable
MS35338-13Interchangeable
interchangeable cross-reference
interchangeable
130MAW1Interchangeable
interchangeable cross-reference
interchangeable
T-143Interchangeable
interchangeable cross-reference
interchangeable
T-143 ZZInterchangeable
interchangeable cross-reference
interchangeable
SR0711/4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40-666-2179?
40-666-2179 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 40-666-2179?
There are 6 known substitutes for 40-666-2179: 103326, MS35338-13, 130MAW1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40-666-2179?
40-666-2179 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-450-9283. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026