PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40344Cap,filler Opening

Sullair Corp · NSN 2590-00-140-3901 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-00-140-3901 — this item is cataloged by the U.S. Government under National Stock Number 2590-00-140-3901. Primary manufacturer part number: 40344.
Features
  • Cap,filler Opening — FSC 2590
  • Material: STEEL OVERALL
  • Features Provided: BREATHER HOLE
  • Overall Diameter: 2.000 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Sullair Corp
Applications
  • Applications requiring Steel Overall construction
General Description

The Cap,filler Opening, cataloged under National Stock Number 2590-00-140-3901, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Sullair Corp. Government technical data includes 3 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2590-00-140-3901
Primary Part Number40344
Item NameCap,filler Opening
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerSullair Corp
StatusACTIVE
MaterialSTEEL OVERALL
Features ProvidedBREATHER HOLE
Overall Diameter2.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-100-0311001-30144 INTERCHANGEABLE
Cup,tapered Roller Bearing
Tvh Parts Co.
5315-00-198-5966MS24692-175 INTERCHANGEABLE
Pin,tapered,plain
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-677-347840344 INTERCHANGEABLE
Washer,conical
Honeywell International Inc. Div Aerospace - Torrance
2920-00-848-5579G30577 INTERCHANGEABLE
Cover
Cnh Industrial America Llc Dba Cnh America
2940-01-062-3925FAE07-9731 INTERCHANGEABLE
Air Cleaner,intake
Donaldson Company, Inc.
4330-01-213-7800 INTERCHANGEABLE
Filter,fluid
5935-01-243-2431100-4642506 ITEM 20 INTERCHANGEABLE
Connector,receptacle,electrical
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
40344 PRIMARY Sullair Corp (USA)
Related Parts
3110-00-100-0311INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
001-30144
5315-00-198-5966INTERCHANGEABLE
PIN,TAPERED,PLAIN
MS24692-175
5310-00-677-3478INTERCHANGEABLE
WASHER,CONICAL
40344
2920-00-848-5579INTERCHANGEABLE
COVER
G30577
2940-01-062-3925INTERCHANGEABLE
AIR CLEANER,INTAKE
FAE07-9731
4330-01-213-7800INTERCHANGEABLE
FILTER,FLUID
5935-01-243-2431INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
100-4642506 ITEM 20

Frequently Asked Questions

What is NSN 2590-00-140-3901?

NSN 2590-00-140-3901 is a Cap,filler Opening, manufactured by Sullair Corp, classified under FSC 2590 (No Item Name Available). Status: active.

What are the part numbers for NSN 2590-00-140-3901?

NSN 2590-00-140-3901 has 1 cross-referenced part number: 40344 (Sullair Corp).

What NSN replaces 2590-00-140-3901?

There are 7 known substitutes for 2590-00-140-3901: 3110-00-100-0311, 5315-00-198-5966, 5310-00-677-3478 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40344?

Key specifications for 40344: Material: STEEL OVERALL; Features Provided: BREATHER HOLE; Overall Diameter: 2.000 INCHES NOMINAL IN. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com