PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

044004-4Cap,filler Opening

Center - Moeller Products Llc · NSN 2590-00-973-0420 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-00-973-0420 — this item is cataloged by the U.S. Government under National Stock Number 2590-00-973-0420. Primary manufacturer part number: 044004-4.
Features
  • Cap,filler Opening — FSC 2590
  • Retaining Device Type: CHAIN
  • System for Which Designed: NONPRESSURIZED
  • Accommodation Type: HANDLE END GRIPPING
  • Special Markings: TIGHTEN/W/ARROW POINTING CLOCKWISE
  • Material: STEEL THREADED PORTION
  • Filler Neck Diameter for Which Designed: 2.000 INCHES NOMINAL IN
  • Style Designator: ADJUSTABLE TYPE-INTERNAL
Applications
  • Applications requiring Steel Threaded Portion construction
General Description

The Cap,filler Opening, cataloged under National Stock Number 2590-00-973-0420, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Center - Moeller Products Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2590-00-973-0420
Primary Part Number044004-4
Item NameCap,filler Opening
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerCenter - Moeller Products Llc
StatusACTIVE
Retaining Device TypeCHAIN
System for Which DesignedNONPRESSURIZED
Accommodation TypeHANDLE END GRIPPING
Special MarkingsTIGHTEN/W/ARROW POINTING CLOCKWISE
MaterialSTEEL THREADED PORTION
Filler Neck Diameter for Which Designed2.000 INCHES NOMINAL IN
Style DesignatorADJUSTABLE TYPE-INTERNAL
MaterialRUBBER SYNTHETIC BODY
Outside Diameter2.687 INCHES NOMINAL IN
Retaining Device Length12.000 INCHES NOMINAL IN
MaterialSTEEL HANDLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5133-00-227-9646 INTERCHANGEABLE
Drill,twist
5935-01-014-3093 INTERCHANGEABLE
Connector,plug,electrical
1630-01-035-63119542095-1 INTERCHANGEABLE
Rotor Assembly,disc Brake
Meggitt Aircraft Braking Systems Corporation
6665-01-039-575144004 INTERCHANGEABLE
Flame Detector Subassembly
Meggitt (new Hampshire), Inc
5961-01-080-1220352-1090-240 INTERCHANGEABLE
Semiconductor Device Set
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6640-01-473-076044004 INTERCHANGEABLE
Pipet,fuel Tester
Petrolab, L.l.c.
6240-01-626-7787107.98-1 INTERCHANGEABLE
Lamp Assembly
Ward Leonard Ct Llc
3040-01-650-8551107981 INTERCHANGEABLE
Connecting Link,rigid
Hamilton Jet, Inc.
Cross-Reference Index
Part NumberManufacturer
107981 Cummins Inc. (USA)
44004 Moeller Mfg Co Inc (USA)
44004 Center - Moeller Products Llc (USA)
70-70-560 Supacat Limited (GBR)
044004-4 PRIMARY Center - Moeller Products Llc (USA)
70-70-560 Supacat Pty Ltd (AUS)
Related Parts
5133-00-227-9646INTERCHANGEABLE
DRILL,TWIST
5935-01-014-3093INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1630-01-035-6311INTERCHANGEABLE
ROTOR ASSEMBLY,DISC BRAKE
9542095-1
6665-01-039-5751INTERCHANGEABLE
FLAME DETECTOR SUBASSEMBLY
44004
5961-01-080-1220INTERCHANGEABLE
SEMICONDUCTOR DEVICE SET
352-1090-240
6640-01-473-0760INTERCHANGEABLE
PIPET,FUEL TESTER
44004
6240-01-626-7787INTERCHANGEABLE
LAMP ASSEMBLY
107.98-1
3040-01-650-8551INTERCHANGEABLE
CONNECTING LINK,RIGID
107981

Frequently Asked Questions

What is NSN 2590-00-973-0420?

NSN 2590-00-973-0420 is a Cap,filler Opening, manufactured by Center - Moeller Products Llc, classified under FSC 2590 (No Item Name Available). Status: active.

What are the part numbers for NSN 2590-00-973-0420?

NSN 2590-00-973-0420 has 6 cross-referenced part numbers: 107981 (Cummins Inc.), 44004 (Moeller Mfg Co Inc), 44004 (Center - Moeller Products Llc), 70-70-560 (Supacat Limited), 044004-4 (Center - Moeller Products Llc) and 1 more.

What NSN replaces 2590-00-973-0420?

There are 8 known substitutes for 2590-00-973-0420: 5133-00-227-9646, 5935-01-014-3093, 1630-01-035-6311 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 044004-4?

Key specifications for 044004-4: Retaining Device Type: CHAIN; System for Which Designed: NONPRESSURIZED; Overall Height: 3.375 INCHES NOMINAL IN; Special Features: FRICTION TYPE,INTERNAL EXPANSIONSEALING METHOD. 13 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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