PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FK0HSCap,filler Opening

Falls Filtration Technologies, Inc. · NSN 2590-00-103-2313 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-00-103-2313 — this item is cataloged by the U.S. Government under National Stock Number 2590-00-103-2313. Primary manufacturer part number: FK0HS.
Features
  • Cap,filler Opening — FSC 2590
  • Outside Diameter: 3.750 INCHES NOMINAL IN
  • Thread Series Designator: NPT
  • Style Designator: TUBE TYPE W/ BREATHER HOLE
  • Features Provided: BREATHER HOLE
  • Thread Diameter: 1.500 INCHES NOMINAL IN
  • Surface Treatment: PAINT OVERALL
  • System for Which Designed: NONPRESSURIZED
Applications
  • Applications requiring Steel Overall construction
General Description

The Cap,filler Opening, cataloged under National Stock Number 2590-00-103-2313, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Falls Filtration Technologies, Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2590-00-103-2313
Primary Part NumberFK0HS
Item NameCap,filler Opening
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerFalls Filtration Technologies, Inc.
StatusCANCELLED
Outside Diameter3.750 INCHES NOMINAL IN
Thread Series DesignatorNPT
Style DesignatorTUBE TYPE W/ BREATHER HOLE
Features ProvidedBREATHER HOLE
Thread Diameter1.500 INCHES NOMINAL IN
Surface TreatmentPAINT OVERALL
System for Which DesignedNONPRESSURIZED
ColorGRAY/GREY
Filler Neck Diameter for Which Designed1.875 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Accommodation TypePLAIN END GRIPPING
Thread Length0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5305-00-476-7710111451 INTERCHANGEABLE
Screw,externally Relieved Body
Astronautics Corporation of America
5306-00-568-0662111451 INTERCHANGEABLE
Bolt,eye
Air Logistics Corporation Dba Air Logistics Corp
5310-01-145-8917111451 INTERCHANGEABLE
Nut
Dana Commercial Vehicle Products, Llc
6515-01-378-0078111-451 INTERCHANGEABLE
Stockings,anti-Embolism
Beiersdorf-Jobst Inc
4710-01-606-5373 INTERCHANGEABLE
Tube Assembly,metal
Cross-Reference Index
Part NumberManufacturer
FK0HS Northeast Filter & Equipment Co. (USA)
FKCUS1 1-2NP7 Luber-Finer Inc Sub of Champion Laboratories Inc Affil of Uis Inc (USA)
FK0HS1 1-2NPT Falls Filtration Technologies, Inc. (USA)
FK0HS PRIMARY Falls Filtration Technologies, Inc. (USA)
111-451 Hardie-Tynes Co., Inc. (USA)
Related Parts
5305-00-476-7710INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
111451
5306-00-568-0662INTERCHANGEABLE
BOLT,EYE
111451
5310-01-145-8917INTERCHANGEABLE
NUT
111451
6515-01-378-0078INTERCHANGEABLE
STOCKINGS,ANTI-EMBOLISM
111-451
4710-01-606-5373INTERCHANGEABLE
TUBE ASSEMBLY,METAL

Frequently Asked Questions

What is NSN 2590-00-103-2313?

NSN 2590-00-103-2313 is a Cap,filler Opening, manufactured by Falls Filtration Technologies, Inc., classified under FSC 2590 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2590-00-103-2313?

NSN 2590-00-103-2313 has 5 cross-referenced part numbers: FK0HS (Northeast Filter & Equipment Co.), FKCUS1 1-2NP7 (Luber-Finer Inc Sub of Champion Laboratories Inc Affil of Uis Inc), FK0HS1 1-2NPT (Falls Filtration Technologies, Inc.), FK0HS (Falls Filtration Technologies, Inc.), 111-451 (Hardie-Tynes Co., Inc.).

What NSN replaces 2590-00-103-2313?

There are 5 known substitutes for 2590-00-103-2313: 5305-00-476-7710, 5306-00-568-0662, 5310-01-145-8917 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FK0HS?

Key specifications for FK0HS: Outside Diameter: 3.750 INCHES NOMINAL IN; Thread Series Designator: NPT; Style Designator: TUBE TYPE W/ BREATHER HOLE; Features Provided: BREATHER HOLE. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2590-00-103-2313 still in active supply?

NSN 2590-00-103-2313 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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