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Technical Data Sheet
21861-2 ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include height: 1.530 INCHES MINIMUM AND 1.590 INCHES MAXIMUM IN, material: SILICON SEMICONDUCTOR, load_rating: 50.0 POUNDS MAXIMUM LBS, thread_size: 3/8-24 ALL THREADED PORTIONS, flange_width: 2.380 INCHES NOMINAL IN, flange_length: 2.380 INCHES NOMINAL 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 5342-00-279-3799, 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
21861-2
NSN: 5342-00-279-3799
FSC: 5342 — MOUNT,RESILIENT,WEAPON SYSTEM
CAGE: 81860 — HUTCHINSON AEROSPACE & INDUSTRY, INC. DBA BARRY WRIGHT CORP (USA)
SPECIFICATIONS
height1.530 INCHES MINIMUM AND 1.590 INCHES MAXIMUM IN
materialSILICON SEMICONDUCTOR
load_rating50.0 POUNDS MAXIMUM LBS
thread_size3/8-24 ALL THREADED PORTIONS
flange_width2.380 INCHES NOMINAL IN
flange_length2.380 INCHES NOMINAL IN
overall_height0.898 INCHES NOMINAL IN
overall_length0.375 INCHES NOMINAL IN
sealing_length0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length1.000 INCHES MINIMUM IN
flange_thickness0.130 INCHES NOMINAL IN
NSN5342-00-279-3799
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEMICONDUCTOR DEVICE,DIODE TITLE COMPONENT PN 21861-2 MFR SEMICONDUCTOR DEVICE,D
KEY FEATURES
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1050 ASSN STD SINGLE MATERIAL RESPONSE BASE PLATE
STYLE DESIGNATOR: ROUND SPRING COMPRESSION FOUR-HOLE FLANGE
MATERIAL: STEEL BASE PLATE
FLANGE MOUNTING HOLE DIAMETER: 0.201 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TYPE 2, CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE HOUSING
FLANGE LENGTH: 2.380 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1050 ASSN STD SINGLE MATERIAL RESPONSE BASE PLATE
STYLE DESIGNATORROUND SPRING COMPRESSION FOUR-HOLE FLANGE
MATERIALSTEEL BASE PLATE
FLANGE MOUNTING HOLE DIAMETER0.201 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TYPE 2, CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE HOUSING
FLANGE LENGTH2.380 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE INNER MEMBER
MATERIALSTEEL HOUSING
DISTANCE BETWEEN MOUNTING HOLE CENTERS1.938 INCHES NOMINAL IN
FLANGE WIDTH2.380 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
190-51-30Interchangeable
interchangeable cross-reference
interchangeable
D172Interchangeable
interchangeable cross-reference
interchangeable
11065563-001Interchangeable
interchangeable cross-reference
interchangeable
2186-12Interchangeable
interchangeable cross-reference
interchangeable
10-26-47Interchangeable
interchangeable cross-reference
interchangeable
200-0764-050Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21861-2?
21861-2 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 21861-2?
There are 7 known substitutes for 21861-2: 190-51-30, D172, 11065563-001 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21861-2?
21861-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5342-00-279-3799. This indicates validated use in U.S. government and defense supply chains.
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