PartsTable
Technical Data Sheet
PartsTable / MRO / 21057
21057 ✓ Verified by PartsTable
Trust · MRO · MRO_GENERAL
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 MODEM ASSEMBLY,COMMUNICATIONS is a Trust industrial component. Key specifications include material: STEEL AND PLASTIC NYLON, nut_style: HEXAGON, body_style: CYLINDRICAL BUSHING MOUNTED, nut_height: 0.620 INCHES NOMINAL IN, shaft_type: ROUND, FLATTED SINGLE ACTUATOR, body_length: 1.125 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 5895-01-407-7640, 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→ 21057
NSN: 5895-01-407-7640
FSC: 5895
CAGE: 25420 — MOTOROLA/CODEX CORP SUB OF MOTOROLA INC (USA)
SPECIFICATIONS
materialSTEEL AND PLASTIC NYLON
nut_styleHEXAGON
body_styleCYLINDRICAL BUSHING MOUNTED
nut_height0.620 INCHES NOMINAL IN
shaft_typeROUND, FLATTED SINGLE ACTUATOR
body_length1.125 INCHES NOMINAL IN
flat_height0.094 INCHES NOMINAL SINGLE ACTUATOR IN
shaft_styleROUND, SLOTTED
shaft_length0.375 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2A SINGLE MOUNTING FACILITY A
actuator_typeSINGLE SHAFT
body_diameter1.062 INCHES MAXIMUM IN
NSN5895-01-407-7640
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Trust MODEM ASSEMBLY,COMMUNICATIONS TITLE COMPONENT PN 21057 MFR Trust MODEM ASSEMBLY,COMMUNI
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONAN/TYQ-40(V)3
END ITEM IDENTIFICATIONAN/TYQ-40(V)3
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
A30512-9-56Interchangeable
interchangeable cross-reference
interchangeable
850320Interchangeable
interchangeable cross-reference
interchangeable
21057Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-3786/13Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-3786/13Interchangeable
interchangeable cross-reference
interchangeable
3-1071Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
Ready to buy 21057?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 21057?
21057 is a MODEM ASSEMBLY,COMMUNICATIONS manufactured by Trust. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21057?
There are 10 known substitutes for 21057: A30512-9-56, 850320, 21057 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21057?
21057 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-01-407-7640. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 21057

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026