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Technical Data Sheet
PartsTable / COMPONENT / 121-888
121-888 ✓ 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 TRANSISTOR is a the manufacturer industrial component. Key specifications include color: BLACK CASE, material: GLASS PROTECTIVE CRYSTAL, dial_size: 1 INCH DIA IN, bezel_type: CRIMP, scale_name: PRESSURE, scale_type: SINGLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-088-0697, 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
121-888
NSN: 5961-01-088-0697
FSC: 5961
CAGE: 67177 — ZENITH ELECTRONICS CORPORATION (USA)
SPECIFICATIONS
colorBLACK CASE
materialGLASS PROTECTIVE CRYSTAL
dial_size1 INCH DIA IN
bezel_typeCRIMP
scale_namePRESSURE
scale_typeSINGLE
scale_range+0.0 TO 4000.0 POUNDS PRESSURE PER SQUARE INCH LBS
pointer_typeINDICATING
adjustabilityNONADJUSTABLE
overall_depth2.312 INCHES NOMINAL IN
pointer_colorBLACK
actuation_typeSINGLE COIL HELICAL BOURDON TUBE
NSN5961-01-088-0697
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 121-888 MFR OEM TRANSISTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
412582Interchangeable
interchangeable cross-reference
interchangeable
C76-37-2Interchangeable
interchangeable cross-reference
interchangeable
7540216Interchangeable
interchangeable cross-reference
interchangeable
1218-025-00Interchangeable
interchangeable cross-reference
interchangeable
AW1026AD01Interchangeable
interchangeable cross-reference
interchangeable
6901-18-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121-888?
121-888 is a TRANSISTOR.
What parts can replace 121-888?
There are 12 known substitutes for 121-888: 412582, C76-37-2, 7540216 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 121-888?
121-888 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-088-0697. 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