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Technical Data Sheet
PartsTable / COMPONENT / 77057
77057 ✓ Verified by PartsTable
Hama · 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

- Mobile phone-specific ProClass battery.<br>- Maximum safety, as with high-quality protective electronics against overcharge and short-circuit.<br>- Long life.<br>- Low self-discharge.<br>- Environment-friendly.<br>- No memory effect. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5977-00-129-1819, 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
77057
NSN: 5977-00-129-1819
FSC: 5977
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
materialSTEEL
body_width0.300 INCHES MAXIMUM IN
body_height0.092 INCHES MAXIMUM IN
body_length0.540 INCHES MAXIMUM IN
usage_designUSED TO RETAIN BRUSH
overall_width0.250 INCHES NOMINAL IN
overall_height0.250 INCHES NOMINAL IN
overall_length1.674 INCHES NOMINAL IN
features_providedMONOLITHIC AND LOW POWER AND SCHOTTKY
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
surface_treatmentZINC AND CHROMATE
inclosure_materialCERAMIC
NSN5977-00-129-1819
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Hama MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 77057 MFR Hama MICROCIRCUIT,DIGITAL
KEY FEATURES
•
SURFACE TREATMENT: ZINC AND CHROMATE
•
MATERIAL: STEEL
•
USAGE DESIGN: USED TO RETAIN BRUSH
•
MOUNTING CONFIGURATION: TWO NO. 4-40 THREADED HOLES 0.517 IN. C TO C IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTZINC AND CHROMATE
MATERIALSTEEL
OVERALL WIDTH0.250 INCHES NOMINAL IN
USAGE DESIGNUSED TO RETAIN BRUSH
END ITEM IDENTIFICATIONTYPE NO. XD218AB/GV
OVERALL LENGTH1.674 INCHES NOMINAL IN
MOUNTING CONFIGURATIONTWO NO. 4-40 THREADED HOLES 0.517 IN. C TO C IN
OVERALL HEIGHT0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
54LS244/BSAJCInterchangeable
interchangeable cross-reference
interchangeable
7564736-001Interchangeable
interchangeable cross-reference
interchangeable
7705701SXInterchangeable
interchangeable cross-reference
interchangeable
77057Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 77057?
77057 is a MICROCIRCUIT,DIGITAL manufactured by Hama.
What parts can replace 77057?
There are 4 known substitutes for 77057: 54LS244/BSAJC, 7564736-001, 7705701SX and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 77057?
77057 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5977-00-129-1819. 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