PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F12103Cap,filler Opening

Federal Mogul Corp Sub Wagner Brake Moog Automotive Div · NSN 2590-00-488-8323 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-00-488-8323 — this item is cataloged by the U.S. Government under National Stock Number 2590-00-488-8323. Primary manufacturer part number: F12103.
Features
  • Cap,filler Opening — FSC 2590
  • Overall Diameter: 1.875 INCHES NOMINAL IN
  • Filler Neck Diameter for Which Designed: 1.625 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY BODY
  • Style Designator: LUG TYPE THREADED EXTERNAL
  • Features Provided: BREATHER HOLE
  • Material: STEEL VENT ACTUATOR
  • System for Which Designed: NONPRESSURIZED
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Cap,filler Opening, cataloged under National Stock Number 2590-00-488-8323, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Federal Mogul Corp Sub Wagner Brake Moog Automotive Div. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2590-00-488-8323
Primary Part NumberF12103
Item NameCap,filler Opening
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerFederal Mogul Corp Sub Wagner Brake Moog Automotive Div
StatusACTIVE
Overall Diameter1.875 INCHES NOMINAL IN
Filler Neck Diameter for Which Designed1.625 INCHES NOMINAL IN
MaterialALUMINUM ALLOY BODY
Style DesignatorLUG TYPE THREADED EXTERNAL
Features ProvidedBREATHER HOLE
MaterialSTEEL VENT ACTUATOR
System for Which DesignedNONPRESSURIZED
ColorGRAY/GREY
Thread Series DesignatorUNEF
Thread Diameter1.625 INCHES NOMINAL IN
Accommodation TypeHEXAGON END GRIPPING
Thread Length0.688 INCHES NOMINAL IN
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-061-2033SMD422569-262 INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6515-00-310-91202280.14 INTERCHANGEABLE
Tractor,bone Wire
Depuy Inc
5950-00-351-7897SM-B-342457 INTERCHANGEABLE
Electromagnet
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3030-00-529-0388 INTERCHANGEABLE
Belt,v
2520-00-873-483112103 INTERCHANGEABLE
Plate Assembly,converter
Funk Mfg Co Sub of Deere and Co
5950-00-985-3086 INTERCHANGEABLE
Reactor
5998-01-022-472212103 INTERCHANGEABLE
Circuit Card Assembly
Giga-Tronics Incorporated Dba Giga-Tronics
4820-01-192-435112103 INTERCHANGEABLE
Cock,poppet Drain
Haldex Brake Products Corporation
5930-01-219-425412103 INTERCHANGEABLE
Switch,rotary
Shallco, Inc
4810-01-225-0107 INTERCHANGEABLE
Manifold,valve
Cross-Reference Index
Part NumberManufacturer
FC01210300031 Cooper Industries Inc Champion Aviation Products (USA)
FC01210300031 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
12103 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
F12103 PRIMARY Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
Related Parts
5950-00-061-2033INTERCHANGEABLE
COIL,RADIO FREQUENCY
SMD422569-262
6515-00-310-9120INTERCHANGEABLE
TRACTOR,BONE WIRE
2280.14
5950-00-351-7897INTERCHANGEABLE
ELECTROMAGNET
SM-B-342457
3030-00-529-0388INTERCHANGEABLE
BELT,V
2520-00-873-4831INTERCHANGEABLE
PLATE ASSEMBLY,CONVERTER
12103
5950-00-985-3086INTERCHANGEABLE
REACTOR
5998-01-022-4722INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
12103
4820-01-192-4351INTERCHANGEABLE
COCK,POPPET DRAIN
12103
5930-01-219-4254INTERCHANGEABLE
SWITCH,ROTARY
12103
4810-01-225-0107INTERCHANGEABLE
MANIFOLD,VALVE
3815-01-247-4691INTERCHANGEABLE
EYE,CABLE ANCHOR SPRING
30573
5120-01-398-7695INTERCHANGEABLE
EXTENSION,SOCKET WRENCH

Frequently Asked Questions

What is NSN 2590-00-488-8323?

NSN 2590-00-488-8323 is a Cap,filler Opening, manufactured by Federal Mogul Corp Sub Wagner Brake Moog Automotive Div, classified under FSC 2590 (No Item Name Available). Status: active.

What are the part numbers for NSN 2590-00-488-8323?

NSN 2590-00-488-8323 has 4 cross-referenced part numbers: FC01210300031 (Cooper Industries Inc Champion Aviation Products), FC01210300031 (Federal Mogul Corp Sub Wagner Brake Moog Automotive Div), 12103 (Federal Mogul Corp Sub Wagner Brake Moog Automotive Div), F12103 (Federal Mogul Corp Sub Wagner Brake Moog Automotive Div).

What NSN replaces 2590-00-488-8323?

There are 12 known substitutes for 2590-00-488-8323: 5950-00-061-2033, 6515-00-310-9120, 5950-00-351-7897 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F12103?

Key specifications for F12103: Overall Height: 1.312 INCHES NOMINAL IN; Overall Diameter: 1.875 INCHES NOMINAL IN; Filler Neck Diameter for Which Designed: 1.625 INCHES NOMINAL IN; Material: ALUMINUM ALLOY BODY. 14 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