The Adapter,filler Neck, cataloged under National Stock Number 2990-01-423-4317, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-423-4317 |
| Primary Part Number | TM27100311 |
| Item Name | Adapter,filler Neck |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Wisconsin Motors, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STRAIGHT; ONE END 1.500 IN. DIA. AND OTHER END 1.000 IN. DIA IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| TM27100311 | Wisconsin Motors, Llc (USA) |
| Reference | Meaning |
|---|---|
| 910025 | 5/2 Secondary reference U.S. Government activity |
| TM27L00311 | 3/9 Design control — primary reference Wis Con Total Power Corp Dba Power Center the |
NSN 2990-01-423-4317 is a Adapter,filler Neck, manufactured by Wisconsin Motors, Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-423-4317 has 1 manufacturer part number on file: TM27100311 (Wisconsin Motors, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-674-9248. Verify interchangeability with system specifications before substitution.
Key specifications for TM27100311: General Characteristics Item Description: STRAIGHT; ONE END 1.500 IN. DIA. AND OTHER END 1.000 IN. DIA IN; Overall Length: 5.000 INCHES NOMINAL IN; Special Features: PART OF CRANKCASE ASSEMBLY; End Item Identification: 3930-01-384-5310. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.