PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3330025Cap,filler Opening

Ed Etnyre & Co · NSN 2590-00-253-7813 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-00-253-7813 — this item is cataloged by the U.S. Government under National Stock Number 2590-00-253-7813. Primary manufacturer part number: 3330025.
Features
  • Cap,filler Opening — FSC 2590
  • Thread Class: 2B
  • Overall Diameter: 4.000 INCHES NOMINAL IN
  • Style Designator: LUG TYPE THREADED EXTERNAL
  • Accommodation Type: LUGS END GRIPPING
  • Material: IRON OVERALL
  • System for Which Designed: NONPRESSURIZED
  • Thread Series Designator: UN
Applications
  • Applications requiring Iron Overall construction
General Description

The Cap,filler Opening, cataloged under National Stock Number 2590-00-253-7813, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Ed Etnyre & Co. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2590-00-253-7813
Primary Part Number3330025
Item NameCap,filler Opening
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerEd Etnyre & Co
StatusCANCELLED
Thread Class2B
Overall Diameter4.000 INCHES NOMINAL IN
Style DesignatorLUG TYPE THREADED EXTERNAL
Accommodation TypeLUGS END GRIPPING
MaterialIRON OVERALL
System for Which DesignedNONPRESSURIZED
Thread Series DesignatorUN
Features ProvidedBREATHER HOLE
Thread Diameter2.1250 INCHES NOMINAL IN
Thread Length0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
4320-00-612-7538R397PC7 INTERCHANGEABLE
Ring,lantern
Circor Naval Solutions Llc Dba Warren Pumps
5950-00-883-1935370-116755 INTERCHANGEABLE
Transformer,pulse
Cubic Defense Applications, Inc.
5999-00-884-4716503C553G48 INTERCHANGEABLE
Heater,thermal Release
Eaton Corporation Dba Eaton Inoac
3110-00-949-1883 INTERCHANGEABLE
Cam Follower,needle Bearing
6685-00-970-36674A311-00211251 INTERCHANGEABLE
Thermostat,flow Control
Standard-Thomson Corporation
5999-01-035-5051H-48 INTERCHANGEABLE
Heater,thermal Release
Siemens Energy and Automation Inc Siemens Furnas Controls Div
4330-01-247-7670H-48 INTERCHANGEABLE
Filter Element,fluid
Emerson Electric Co Alco Controls Div
5120-01-339-03682002MRMHSS INTERCHANGEABLE
Wrench,torque
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
3330025 PRIMARY Ed Etnyre & Co (USA)
H48 Ed Etnyre & Co (USA)
Related Parts
4320-00-612-7538INTERCHANGEABLE
RING,LANTERN
R397PC7
5950-00-883-1935INTERCHANGEABLE
TRANSFORMER,PULSE
370-116755
5999-00-884-4716INTERCHANGEABLE
HEATER,THERMAL RELEASE
503C553G48
3110-00-949-1883INTERCHANGEABLE
CAM FOLLOWER,NEEDLE BEARING
6685-00-970-3667INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
4A311-00211251
5999-01-035-5051INTERCHANGEABLE
HEATER,THERMAL RELEASE
H-48
4330-01-247-7670INTERCHANGEABLE
FILTER ELEMENT,FLUID
H-48
5120-01-339-0368INTERCHANGEABLE
WRENCH,TORQUE
2002MRMHSS

Frequently Asked Questions

What is NSN 2590-00-253-7813?

NSN 2590-00-253-7813 is a Cap,filler Opening, manufactured by Ed Etnyre & Co, classified under FSC 2590 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2590-00-253-7813?

NSN 2590-00-253-7813 has 2 cross-referenced part numbers: 3330025 (Ed Etnyre & Co), H48 (Ed Etnyre & Co).

What NSN replaces 2590-00-253-7813?

There are 8 known substitutes for 2590-00-253-7813: 4320-00-612-7538, 5950-00-883-1935, 5999-00-884-4716 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3330025?

Key specifications for 3330025: Thread Class: 2B; Overall Diameter: 4.000 INCHES NOMINAL IN; Overall Height: 1.000 INCHES NOMINAL IN; Style Designator: LUG TYPE THREADED EXTERNAL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2590-00-253-7813 still in active supply?

NSN 2590-00-253-7813 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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