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120959 ✓ 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 SHIELD,SONAR TRANSDUCER HEAD is a the manufacturer industrial component. Key specifications include material: IRON CAST. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-203-6647, 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
120959
NSN: 5136-00-203-6647
FSC: 5136
CAGE: 56922 — JARVIS CUTTING TOOLS INC (USA)
SPECIFICATIONS
materialIRON CAST
NSN5136-00-203-6647
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHIELD,SONAR TRANSDUCER HEAD TITLE COMPONENT PN 120959 MFR SHIELD,SONAR TRANSDUCE
KEY FEATURES
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.250-20 UNIFIED NATIONAL COARSE (UNC)
•
THREAD PITCH DIAMETERS: +0.2175 TO 0.2180 INCHES IN
•
THREAD LENGTH: 1.130 INCHES MINIMUM IN
•
FLUTE QUANTITY: 4
•
THREAD STRUCTURE: REGULAR
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.250-20 UNIFIED NATIONAL COARSE (UNC)
THREAD PITCH DIAMETERS+0.2175 TO 0.2180 INCHES IN
THREAD LENGTH1.130 INCHES MINIMUM IN
OVERALL LENGTH2.500 INCHES NOMINAL IN
FLUTE QUANTITY4
THREAD STRUCTUREREGULAR
OVERALL LENGTH2.500 INCHES NOMINAL IN
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.250-20 UNIFIED NATIONAL COARSE (UNC)
STARTING CHAMFER TYPETAPER
THREAD FORMING METHODGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
963-15780-00Interchangeable
interchangeable cross-reference
interchangeable
11810Interchangeable
interchangeable cross-reference
interchangeable
4277-308Interchangeable
interchangeable cross-reference
interchangeable
MS35430-5Interchangeable
interchangeable cross-reference
interchangeable
999-8Interchangeable
interchangeable cross-reference
interchangeable
1561-1375Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120959?
120959 is a SHIELD,SONAR TRANSDUCER HEAD.
What parts can replace 120959?
There are 22 known substitutes for 120959: 963-15780-00, 11810, 4277-308 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 120959?
120959 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-203-6647. 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