PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

991-004Cover,vehicular Components

Sun Hydraulics Corporation · NSN 2590-01-378-6014 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-01-378-6014 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-378-6014. Primary manufacturer part number: 991-004.
Features
  • Cover,vehicular Components — FSC 2590
  • 1 verified cross-reference
  • Primary manufacturer: Sun Hydraulics Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cover,vehicular Components, cataloged under National Stock Number 2590-01-378-6014, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Sun Hydraulics Corporation. 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
NSN2590-01-378-6014
Primary Part Number991-004
Item NameCover,vehicular Components
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerSun Hydraulics Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4940-00-259-2581840357-000 INTERCHANGEABLE
Heating Element,heater,gun Type
Te Connectivity Corporation Dba Raychem Product Division
6625-00-691-3811TTU73E INTERCHANGEABLE
Test Set,synchro
Joint Electronics Type Designation System
6505-01-462-5068 INTERCHANGEABLE
Potassium Chloride in Dextrose I
Cross-Reference Index
Part NumberManufacturer
991-004 PRIMARY Sun Hydraulics Corporation (USA)
Related Parts
4940-00-259-2581INTERCHANGEABLE
HEATING ELEMENT,HEATER,GUN TYPE
840357-000
6625-00-691-3811INTERCHANGEABLE
TEST SET,SYNCHRO
TTU73E
6505-01-462-5068INTERCHANGEABLE
POTASSIUM CHLORIDE IN DEXTROSE I

Frequently Asked Questions

What is NSN 2590-01-378-6014?

NSN 2590-01-378-6014 is a Cover,vehicular Components, manufactured by Sun Hydraulics Corporation, classified under FSC 2590 (No Item Name Available). Status: active.

What are the part numbers for NSN 2590-01-378-6014?

NSN 2590-01-378-6014 has 1 cross-referenced part number: 991-004 (Sun Hydraulics Corporation).

What NSN replaces 2590-01-378-6014?

There are 3 known substitutes for 2590-01-378-6014: 4940-00-259-2581, 6625-00-691-3811, 6505-01-462-5068. Verify interchangeability with system specifications before substitution.

What are the specifications of 991-004?

Key specifications for 991-004: End Item Identification: 3930-01-330-8907. 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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