PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55303Sleeve and Slide,directional Con

Woodward Hrt Inc · NSN 4820-00-884-2808 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-884-2808 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-884-2808. Primary manufacturer part number: 55303.
Features
  • Sleeve and Slide,directional Con — FSC 4820
  • Sleeve Material: STEEL CORROSION RESISTING
  • Slide Material: STEEL CORROSION RESISTING
  • 1 verified cross-reference
  • Primary manufacturer: Woodward Hrt Inc
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Sleeve and Slide,directional Con, cataloged under National Stock Number 4820-00-884-2808, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Woodward Hrt Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4820-00-884-2808
Primary Part Number55303
Item NameSleeve and Slide,directional Con
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWoodward Hrt Inc
StatusACTIVE
Sleeve MaterialSTEEL CORROSION RESISTING
Slide MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
7510-00-629-027355303 INTERCHANGEABLE
Tape,identification
Brady United States
3040-01-172-270955303 INTERCHANGEABLE
Shaft,shouldered
Texas Hydraulics, Inc.
3110-01-616-168055303 INTERCHANGEABLE
Bearing,roller,cylindrical
Rbc Transport Dynamics Corp Div Rbc Transport Dynamics
Cross-Reference Index
Part NumberManufacturer
55303 PRIMARY Woodward Hrt Inc (USA)
Related Parts
7510-00-629-0273INTERCHANGEABLE
TAPE,IDENTIFICATION
55303
3040-01-172-2709INTERCHANGEABLE
SHAFT,SHOULDERED
55303
3110-01-616-1680INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
55303

Frequently Asked Questions

What is NSN 4820-00-884-2808?

NSN 4820-00-884-2808 is a Sleeve and Slide,directional Con, manufactured by Woodward Hrt Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-884-2808?

NSN 4820-00-884-2808 has 1 cross-referenced part number: 55303 (Woodward Hrt Inc).

What NSN replaces 4820-00-884-2808?

There are 3 known substitutes for 4820-00-884-2808: 7510-00-629-0273, 3040-01-172-2709, 3110-01-616-1680. Verify interchangeability with system specifications before substitution.

What are the specifications of 55303?

Key specifications for 55303: Sleeve Material: STEEL CORROSION RESISTING; Slide Material: STEEL CORROSION RESISTING; End Item Identification: AIRCRAFT HYDRAULIC SYSTEMS; Special Features: CONSIST OF: SLIDE P/N 55304,SLEEVE P/N 60617; PASSIVATED. 4 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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