PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

556-8838741-A1Accumulator,hydraulic

Naval Sea Systems Command · NSN 2090-01-721-0869 · FSC 2090 · Modification Kit,miscellaneous S
Verified by PartsTable
NSN 2090-01-721-0869 — this item is cataloged by the U.S. Government under National Stock Number 2090-01-721-0869. Primary manufacturer part number: 556-8838741-A1.
Features
  • Accumulator,hydraulic — FSC 2090
  • 4 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Accumulator,hydraulic, cataloged under National Stock Number 2090-01-721-0869, is classified within Federal Supply Class 2090 (Modification Kit,miscellaneous S) of the Ship and Marine Equipment group. The primary manufacturer of record is Naval Sea Systems Command. 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.

Catalog Facts
Item NameAccumulator,hydraulic
FSC / FSG2090 — Modification Kit,miscellaneous S (FSG 20)
ManufacturersElectric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169); Naval Sea Systems Command (CAGE 53711)
Technical Specifications
ParameterValue
NSN2090-01-721-0869
Primary Part Number556-8838741-A1
Item NameAccumulator,hydraulic
FSC / FSG2090 / 20 — Modification Kit,miscellaneous S
ManufacturerNaval Sea Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2090-01-735-9253 INTERCHANGEABLE
Accumulator,hydraulic
Cross-Reference Index
Part NumberManufacturer
LSA001609 A1 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
556-8838741-A1 PRIMARY Naval Sea Systems Command (USA)
R6426930-A1 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
8838741/PAGE 20 PN A-1 Naval Sea Systems Command (USA)
Related Parts
2090-01-735-9253INTERCHANGEABLE
ACCUMULATOR,HYDRAULIC

Frequently Asked Questions

What is NSN 2090-01-721-0869?

NSN 2090-01-721-0869 is a Accumulator,hydraulic, manufactured by Naval Sea Systems Command, classified under FSC 2090 (Modification Kit,miscellaneous S). Status: active.

What are the part numbers for NSN 2090-01-721-0869?

NSN 2090-01-721-0869 has 4 cross-referenced part numbers: LSA001609 A1 (Electric Boat Corporation Div General Dynamics Electric Boat), 556-8838741-A1 (Naval Sea Systems Command), R6426930-A1 (Electric Boat Corporation Div General Dynamics Electric Boat), 8838741/PAGE 20 PN A-1 (Naval Sea Systems Command).

What NSN replaces 2090-01-721-0869?

There is 1 known substitute for 2090-01-721-0869: 2090-01-735-9253. Verify interchangeability with system specifications before substitution.

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