The Cap,filler Opening, cataloged under National Stock Number 2590-01-117-8258, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Kalmar AC Inc. Government technical data includes 8 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2590-01-117-8258 |
| Primary Part Number | 4906744-0 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2590 / 25 — No Item Name Available |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Thread Quantity | 18 PER INCH |
| Thread Series Designator | UNS |
| Outside Diameter | 1.875 INCHES NOMINAL IN |
| Special Markings | USE ONLY SAE HEAVY DUTY FLUID |
| Thread Length | 0.312 INCHES NOMINAL IN |
| Thread Diameter | 1.6235 INCHES NOMINAL IN |
| System for Which Designed | PRESSURIZED |
| Thread Pitch Diameters | +1.5374 TO 1.5774 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2590-01-117-8258 is a Cap,filler Opening, manufactured by Kalmar AC Inc, classified under FSC 2590 (No Item Name Available). Status: active.
NSN 2590-01-117-8258 has 2 cross-referenced part numbers: 4906744-0 (Kalmar AC Inc), 306169 (Bendix Corp the Brake and Steering Div).
There are 2 known substitutes for 2590-01-117-8258: 5985-00-482-2896, 6750-01-427-3180. Verify interchangeability with system specifications before substitution.
Key specifications for 4906744-0: Thread Quantity: 18 PER INCH; Thread Series Designator: UNS; Outside Diameter: 1.875 INCHES NOMINAL IN; Special Markings: USE ONLY SAE HEAVY DUTY FLUID. 9 total characteristics are documented in the Federal Logistics Information System.