PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RAR0303Guide,speed Droop Slider

Naval Group Site De Lorient · NSN 2990-00-859-0116 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-859-0116 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-859-0116. Primary manufacturer part number: RAR0303.
Features
  • Guide,speed Droop Slider — FSC 2990
  • General Characteristics Item Description: STEEL,0.438 IN. LG,0.404 IN. MIN,0.405 IN. MAX W,0.123 IN. MIN,0.125 IN. MAX THK,0.219 IN. FROM C TO END OF BLOCK IN
  • 3 verified cross-references
  • Primary manufacturer: Naval Group Site De Lorient
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Guide,speed Droop Slider, cataloged under National Stock Number 2990-00-859-0116, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Naval Group Site De Lorient. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-00-859-0116
Primary Part NumberRAR0303
Item NameGuide,speed Droop Slider
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerNaval Group Site De Lorient
StatusACTIVE
General Characteristics Item DescriptionSTEEL,0.438 IN. LG,0.404 IN. MIN,0.405 IN. MAX W,0.123 IN. MIN,0.125 IN. MAX THK,0.219 IN. FROM C TO END OF BLOCK IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-00-291-66589B1545 INTERCHANGEABLE
Gasket
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
RAR0303 Naval Group Site De Lorient (FRA)
370299 Woodward, Inc. Div Fuel Systems and Controls (USA)
370299 Woodward, Inc. (USA)
Related Parts
5330-00-291-6658INTERCHANGEABLE
GASKET
9B1545

Frequently Asked Questions

What is NSN 2990-00-859-0116?

NSN 2990-00-859-0116 is a Guide,speed Droop Slider, manufactured by Naval Group Site De Lorient, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-859-0116?

NSN 2990-00-859-0116 has 3 cross-referenced part numbers: RAR0303 (Naval Group Site De Lorient), 370299 (Woodward, Inc. Div Fuel Systems and Controls), 370299 (Woodward, Inc.).

What NSN replaces 2990-00-859-0116?

There is 1 known substitute for 2990-00-859-0116: 5330-00-291-6658. Verify interchangeability with system specifications before substitution.

What are the specifications of RAR0303?

Key specifications for RAR0303: General Characteristics Item Description: STEEL,0.438 IN. LG,0.404 IN. MIN,0.405 IN. MAX W,0.123 IN. MIN,0.125 IN. MAX THK,0.219 IN. FROM C TO END OF BLOCK IN. 1 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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