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Technical Data Sheet
PartsTable / MRO / 3925-1
3925-1 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
SAS cables have specific lane counts: 4i (internal) or 4e (external) Cable length matters — too short won't reach, too long creates clutter
Verify connector type on BOTH ends — many SAS cables are asymmetric
PRODUCT OVERVIEW

The ADAPTER,SWITCH ACTUATOR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, thread_length: 1.250 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, end_item_identification: ROTARY HYDRAULIC ACTUATOR; SEAWOLF, nominal_thread_diameter: 0.500 INCHES IN, model_for_which_designed: 41042. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-00-018-9896, 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
MRO→ MRO_GENERAL→ 3925-1
NSN: 5998-00-018-9896
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 98675 — ESPEY MFG. & ELECTRONICS CORP. (USA)
SPECIFICATIONS
materialCOPPER ALLOY
thread_length1.250 INCHES NOMINAL IN
special_featuresMATERIAL PER ASTM B150 ALLOY C63200; PORT END 1.750-12UN-3A; INSIDE PORT DIA .521; HEAD CONNECTED BY 4 SOCKET HEAD CAP SCREWS WITH THREADED INSERTS A
thread_directionRIGHT-HAND
end_item_identificationROTARY HYDRAULIC ACTUATOR; SEAWOLF
nominal_thread_diameter0.500 INCHES IN
model_for_which_designed41042
thread_quantity_per_inch13
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
part_name_assigned_by_controlling_agencyC-3 PORT HEAD
NSN5998-00-018-9896
COMPONENT DIAGRAM
CONN A SFF-8482 CONN B SFF-8087 LENGTH: SAS CABLE ASSEMBLY | SFF-8482 to SFF-8087 Cable length: | SAS | Shielded TITLE CABLE ASSY PN 3925-1 MFR ADAPTER,SWITCH ACTUATOR
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONCOMMUNICATION SUPPORT SYSTEM
END ITEM IDENTIFICATIONCOMMUNICATION SUPPORT SYSTEM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
3925-1Upgraded Successor
successor cross-reference
successor
407769Interchangeable
interchangeable cross-reference
interchangeable
520045-001Interchangeable
interchangeable cross-reference
interchangeable
520045-005Interchangeable
interchangeable cross-reference
interchangeable
4927-2Interchangeable
interchangeable cross-reference
interchangeable
41042-39245 ITEM 6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3925-1?
3925-1 is a ADAPTER,SWITCH ACTUATOR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 3925-1?
There are 7 known substitutes for 3925-1: 3925-1, 407769, 520045-001 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3925-1?
3925-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-00-018-9896. 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