PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CD297Cap,filler Opening

Honeywell Lebow Products Dba Honeywell Senfopec · NSN 2590-01-187-3994 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-01-187-3994 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-187-3994. Primary manufacturer part number: CD297.
Features
  • Cap,filler Opening — FSC 2590
  • System for Which Designed: NONPRESSURIZED
  • Surface Treatment: ZINC OVERALL
  • Style Designator: OUTSIDE CAM TYPE
  • FSC Application Data: ENGINE FUEL SYSTEM COMPONENTS,NONAIRCRAFT
  • Features Provided: BREATHER HOLE
  • Outside Diameter: 4.406 INCHES NOMINAL IN
  • 2 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cap,filler Opening, cataloged under National Stock Number 2590-01-187-3994, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Honeywell Lebow Products Dba Honeywell Senfopec. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2590-01-187-3994
Primary Part NumberCD297
Item NameCap,filler Opening
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerHoneywell Lebow Products Dba Honeywell Senfopec
StatusACTIVE
System for Which DesignedNONPRESSURIZED
Surface TreatmentZINC OVERALL
Style DesignatorOUTSIDE CAM TYPE
FSC Application DataENGINE FUEL SYSTEM COMPONENTS,NONAIRCRAFT
Features ProvidedBREATHER HOLE
Outside Diameter4.406 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2590-00-529-8580 INTERCHANGEABLE
Cap,filler Opening
3895-00-565-6094 INTERCHANGEABLE
Cap Fuel Tank
2590-01-158-1449 INTERCHANGEABLE
Cap,filler Opening
2590-01-646-1138CD-297 INTERCHANGEABLE
Cap,filler Opening
Eaton Corporation
Cross-Reference Index
Part NumberManufacturer
CD297 Honeywell Lebow Products Dba Honeywell Senfopec (USA)
CD297 San Antonio Air Logistics Center (USA)
Related Parts
2590-00-529-8580INTERCHANGEABLE
CAP,FILLER OPENING
3895-00-565-6094INTERCHANGEABLE
CAP FUEL TANK
2590-01-158-1449INTERCHANGEABLE
CAP,FILLER OPENING
2590-01-646-1138INTERCHANGEABLE
CAP,FILLER OPENING
CD-297

Frequently Asked Questions

What is NSN 2590-01-187-3994?

NSN 2590-01-187-3994 is a Cap,filler Opening, manufactured by Honeywell Lebow Products Dba Honeywell Senfopec, classified under FSC 2590 (No Item Name Available). Status: active.

What are the part numbers for NSN 2590-01-187-3994?

NSN 2590-01-187-3994 has 2 cross-referenced part numbers: CD297 (Honeywell Lebow Products Dba Honeywell Senfopec), CD297 (San Antonio Air Logistics Center).

What NSN replaces 2590-01-187-3994?

There are 4 known substitutes for 2590-01-187-3994: 2590-00-529-8580, 3895-00-565-6094, 2590-01-158-1449 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CD297?

Key specifications for CD297: System for Which Designed: NONPRESSURIZED; Surface Treatment: ZINC OVERALL; Style Designator: OUTSIDE CAM TYPE; FSC Application Data: ENGINE FUEL SYSTEM COMPONENTS,NONAIRCRAFT. 7 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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