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Technical Data Sheet
PartsTable / MRO / D1777-281
D1777-281 ✓ Verified by PartsTable
— · 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 BATTERY ASSEMBLY,RE is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include material: PLASTIC OVERALL, body_width: 1.313 INCHES MAXIMUM IN, body_height: 1.750 INCHES MAXIMUM IN, body_length: 1.313 INCHES MAXIMUM IN, inclosure_type: HERMETICALLY SEALED, connection_type: UNTHREADED EXTERNAL HOSE ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5850-00-806-3037, 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→ D1777-281
NSN: 5850-00-806-3037
FSC: 5850
CAGE: 99872 — ENTRON INDUSTRIES LIMITED PARTNERSHIP DBA ENTRON INDUSTRIES PROPERTY DIV (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
body_width1.313 INCHES MAXIMUM IN
body_height1.750 INCHES MAXIMUM IN
body_length1.313 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
connection_typeUNTHREADED EXTERNAL HOSE ALL ENDS
mounting_methodTHREADED STUD(S) SINGLE GROUP
connection_styleBARBED OR BEADED (HOSE) ALL ENDS
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
special_featuresGRUMMAN AEROSPACE A-10 AIRCRAFT
cage_adjustabilityNONADJUSTABLE
nominal_thread_size0.138 INCHES SINGLE GROUP IN
NSN5850-00-806-3037
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BATTERY ASSEMBLY,RE TITLE COMPONENT PN D1777-281 MFR BATTERY ASSEMBLY,RE
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
C-103Interchangeable
interchangeable cross-reference
interchangeable
E168-130 ITEM 104Interchangeable
interchangeable cross-reference
interchangeable
FIG5-4-1N0Y2649Interchangeable
interchangeable cross-reference
interchangeable
4359Interchangeable
interchangeable cross-reference
interchangeable
65103Interchangeable
interchangeable cross-reference
interchangeable
ASTM D2609-74Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D1777-281?
D1777-281 is a BATTERY ASSEMBLY,RE. It is classified as a MRO (MRO_GENERAL).
What parts can replace D1777-281?
There are 7 known substitutes for D1777-281: C-103, E168-130 ITEM 104, FIG5-4-1N0Y2649 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D1777-281?
D1777-281 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5850-00-806-3037. 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