PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

263508850-1-2ABackplane Assembly

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 5998-01-251-2757 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-251-2757 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-251-2757. Primary manufacturer part number: 263508850-1-2A.
Features
  • Backplane Assembly — FSC 5998
  • 4 verified cross-references
  • Primary manufacturer: Electric Boat Corporation Div General Dynamics Electric Boat
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Backplane Assembly, cataloged under National Stock Number 5998-01-251-2757, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameBackplane Assembly
FSC / FSG5998 — Circuit Card Assembly (FSG 59)
ManufacturersElectric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169); Amphenol Corporation Dba Amphenol Tcs Div Amphenol Tcs (CAGE 31413)
Technical Specifications
ParameterValue
NSN5998-01-251-2757
Primary Part Number263508850-1-2A
Item NameBackplane Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJF
Verified Substitutes 1
4460-01-256-90942-007 INTERCHANGEABLE
Filter,air,electrostatic
Alberts B J Co Inc
Cross-Reference Index
Part NumberManufacturer
263508850-1-2 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
263508850-1-2A PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2635-088-50 ITEM 1-2 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
S10000 Amphenol Corporation Dba Amphenol Tcs Div Amphenol Tcs (USA)
Related Parts
4460-01-256-9094INTERCHANGEABLE
FILTER,AIR,ELECTROSTATIC
2-007

Frequently Asked Questions

What is NSN 5998-01-251-2757?

NSN 5998-01-251-2757 is a Backplane Assembly, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-251-2757?

NSN 5998-01-251-2757 has 4 cross-referenced part numbers: 263508850-1-2 (Electric Boat Corporation Div General Dynamics Electric Boat), 263508850-1-2A (Electric Boat Corporation Div General Dynamics Electric Boat), 2635-088-50 ITEM 1-2 (Electric Boat Corporation Div General Dynamics Electric Boat), S10000 (Amphenol Corporation Dba Amphenol Tcs Div Amphenol Tcs).

What NSN replaces 5998-01-251-2757?

There is 1 known substitute for 5998-01-251-2757: 4460-01-256-9094. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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