PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55490Plate,designation

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple · NSN 9905-00-685-4392 · FSC 9905 · No Item Name Available
Verified by PartsTable
NSN 9905-00-685-4392 — this item is cataloged by the U.S. Government under National Stock Number 9905-00-685-4392. Primary manufacturer part number: 55490.
Features
  • Plate,designation — FSC 9905
  • Color: WHITE SINGLE SIDE INSCRIPTION
  • Marking Designation: LEGEND LOCATION NOT OTHERWISE SPECIFIED
  • Color: BLACK SINGLE SIDE INSCRIPTION BACKGROUND
  • Color: BLACK SINGLE SIDE BORDER
  • Thickness: 0.031 INCHES NOMINAL IN
  • Environmental Protection: HEAT AND WEATHER RESISTANT
  • Width: 0.687 INCHES NOMINAL IN
Applications
  • Applications requiring Fiber construction
General Description

The Plate,designation, cataloged under National Stock Number 9905-00-685-4392, is classified within Federal Supply Class 9905 (No Item Name Available) of the Miscellaneous group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9905-00-685-4392
Primary Part Number55490
Item NamePlate,designation
FSC / FSG9905 / 99 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
StatusACTIVE
ColorWHITE SINGLE SIDE INSCRIPTION
Marking DesignationLEGEND LOCATION NOT OTHERWISE SPECIFIED
ColorBLACK SINGLE SIDE INSCRIPTION BACKGROUND
ColorBLACK SINGLE SIDE BORDER
Thickness0.031 INCHES NOMINAL IN
Environmental ProtectionHEAT AND WEATHER RESISTANT
Width0.687 INCHES NOMINAL IN
MaterialFIBER
Basic Shape StyleRECTANGULAR W/ROUNDED ENDS
Attachment MethodHOLE
Length2.562 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-787-388155490 INTERCHANGEABLE
Plate,retaining,bearing
Parker Hannifin Corporation Div Hydraulic Systems Division
4720-00-829-5410801-10 INTERCHANGEABLE
Hose,nonmetallic
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
2010-01-671-910112609610 INTERCHANGEABLE
Engine Control Unit
Banks Technologies
Cross-Reference Index
Part NumberManufacturer
55490 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
55490 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
Related Parts
3110-00-787-3881INTERCHANGEABLE
PLATE,RETAINING,BEARING
55490
4720-00-829-5410INTERCHANGEABLE
HOSE,NONMETALLIC
801-10
2010-01-671-9101INTERCHANGEABLE
ENGINE CONTROL UNIT
12609610

Frequently Asked Questions

What is NSN 9905-00-685-4392?

NSN 9905-00-685-4392 is a Plate,designation, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 9905 (No Item Name Available). Status: active.

What are the part numbers for NSN 9905-00-685-4392?

NSN 9905-00-685-4392 has 2 cross-referenced part numbers: 55490 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), 55490 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division).

What NSN replaces 9905-00-685-4392?

There are 3 known substitutes for 9905-00-685-4392: 3110-00-787-3881, 4720-00-829-5410, 2010-01-671-9101. Verify interchangeability with system specifications before substitution.

What are the specifications of 55490?

Key specifications for 55490: Color: WHITE SINGLE SIDE INSCRIPTION; Marking Designation: LEGEND LOCATION NOT OTHERWISE SPECIFIED; Color: BLACK SINGLE SIDE INSCRIPTION BACKGROUND; Color: BLACK SINGLE SIDE BORDER. 11 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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