PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

804-921937Chair,lounge,shipboard

Naval Ship Systems Command · NSN 2090-00-559-4656 · FSC 2090 · Modification Kit,miscellaneous S
Verified by PartsTable
NSN 2090-00-559-4656 — this item is cataloged by the U.S. Government under National Stock Number 2090-00-559-4656. Primary manufacturer part number: 804-921937.
Features
  • Chair,lounge,shipboard — FSC 2090
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SPCC PROC SPEC 2090-559-4656
  • General Characteristics Item Description: W/ARMS; O/A DIM. 27.000 IN. W,37.000 IN. H,34.000 IN. DP; SEAT DIM. 23.000 IN. W,17.000 IN. H,19.00 IN. DP; W/R LEG; GLIDE BASE END; MATERIAL RUBBER FOAM UPHOLSTERY PADDING LEATHER,ARTIFICIAL UPHOLSTERY; COLOR NATURAL FRAME GREEN,YEW UPHOLSTERY; REVERSIBLE SEAT AND BACK IN
  • 4 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Chair,lounge,shipboard, cataloged under National Stock Number 2090-00-559-4656, 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 Ship Systems Command. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2090-00-559-4656
Primary Part Number804-921937
Item NameChair,lounge,shipboard
FSC / FSG2090 / 20 — Modification Kit,miscellaneous S
ManufacturerNaval Ship Systems Command
StatusACTIVE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY SPCC PROC SPEC 2090-559-4656
General Characteristics Item DescriptionW/ARMS; O/A DIM. 27.000 IN. W,37.000 IN. H,34.000 IN. DP; SEAT DIM. 23.000 IN. W,17.000 IN. H,19.00 IN. DP; W/R LEG; GLIDE BASE END; MATERIAL RUBBER FOAM UPHOLSTERY PADDING LEATHER,ARTIFICIAL UPHOLSTERY; COLOR NATURAL FRAME GREEN,YEW UPHOLSTERY; REVERSIBLE SEAT AND BACK IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2090-00-266-7463804-1627547 TYPE V INTERCHANGEABLE
Stool,revolving
Naval Sea Systems Command
2090-00-267-1174805-1629985 INTERCHANGEABLE
Table,folding Legs
Naval Ship Systems Command
2090-00-267-1994S3209-631136LH INTERCHANGEABLE
Desk,flat Top
Naval Ship Systems Command
2090-00-267-1995 INTERCHANGEABLE
Desk,flat Top
2090-00-269-1099 INTERCHANGEABLE
Board,absentee,officer's
2090-00-368-4787805-1646563 INTERCHANGEABLE
Chair,aviator's Ready Room
Naval Ship Systems Command
2090-00-368-4792S3702-921917 INTERCHANGEABLE
Locker,medical
Naval Ship Systems Command
2090-00-368-4795S3702-921575 INTERCHANGEABLE
Locker,medical
Naval Ship Systems Command
2090-00-369-4571 INTERCHANGEABLE
Rack,magazine
2090-00-559-4655 INTERCHANGEABLE
Chair,straight
Cross-Reference Index
Part NumberManufacturer
804-921937 Naval Ship Systems Command (USA)
MIL-F-902 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-32038 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
805-921937 Naval Ship Systems Command (USA)
Related Parts
2090-00-266-7463INTERCHANGEABLE
STOOL,REVOLVING
804-1627547 TYPE V
2090-00-267-1174INTERCHANGEABLE
TABLE,FOLDING LEGS
805-1629985
2090-00-267-1994INTERCHANGEABLE
DESK,FLAT TOP
S3209-631136LH
2090-00-267-1995INTERCHANGEABLE
DESK,FLAT TOP
2090-00-269-1099INTERCHANGEABLE
BOARD,ABSENTEE,OFFICER'S
2090-00-368-4787INTERCHANGEABLE
CHAIR,AVIATOR'S READY ROOM
805-1646563
2090-00-368-4792INTERCHANGEABLE
LOCKER,MEDICAL
S3702-921917
2090-00-368-4795INTERCHANGEABLE
LOCKER,MEDICAL
S3702-921575
2090-00-369-4571INTERCHANGEABLE
RACK,MAGAZINE
2090-00-559-4655INTERCHANGEABLE
CHAIR,STRAIGHT
2090-00-559-4657INTERCHANGEABLE
CHAIR,STRAIGHT
2090-00-559-4658INTERCHANGEABLE
CHAIR,STRAIGHT

Frequently Asked Questions

What is NSN 2090-00-559-4656?

NSN 2090-00-559-4656 is a Chair,lounge,shipboard, manufactured by Naval Ship Systems Command, classified under FSC 2090 (Modification Kit,miscellaneous S). Status: active.

What are the part numbers for NSN 2090-00-559-4656?

NSN 2090-00-559-4656 has 4 cross-referenced part numbers: 804-921937 (Naval Ship Systems Command), MIL-F-902 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-32038 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 805-921937 (Naval Ship Systems Command).

What NSN replaces 2090-00-559-4656?

There are 12 known substitutes for 2090-00-559-4656: 2090-00-266-7463, 2090-00-267-1174, 2090-00-267-1994 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 804-921937?

Key specifications for 804-921937: Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SPCC PROC SPEC 2090-559-4656; General Characteristics Item Description: W/ARMS; O/A DIM. 27.000 IN. W,37.000 IN. H,34.000 IN. DP; SEAT DIM. 23.000 IN. W,17.000 IN. H,19.00 IN. DP; W/R LEG; GLIDE BASE END; MATERIAL RUBBER FOAM UPHOLSTERY PADDING LEATHER,ARTIFICIAL UPHOLSTERY; COLOR NATURAL FRAME GREEN,YEW UPHOLSTERY; REVERSIBLE SEAT AND BACK IN. 2 total characteristics are documented in the Federal Logistics Information System.

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