The Tester,fuel Injector Pump, cataloged under National Stock Number 4910-01-214-3172, is classified within Federal Supply Class 4910 (Motor Vehicle Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Assembly & Test Worldwide, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4910-01-214-3172 |
| Primary Part Number | HF491 |
| Item Name | Tester,fuel Injector Pump |
| FSC / FSG | 4910 / 49 — Motor Vehicle Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Assembly & Test Worldwide, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL CASING; PORTABLE UNIT W/WHEELS |
| 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 |
|---|---|
| HF491 PRIMARY | Assembly & Test Worldwide, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HF490 | 5/9 Secondary reference Assembly & Test Worldwide, Inc. |
NSN 4910-01-214-3172 is a Tester,fuel Injector Pump, manufactured by Assembly & Test Worldwide, Inc., classified under FSC 4910, Motor Vehicle Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4910-01-214-3172 has 1 manufacturer part number on file: HF491 (Assembly & Test Worldwide, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4910-01-469-1778. Verify interchangeability with system specifications before substitution.
Key specifications for HF491: General Characteristics Item Description: STEEL CASING; PORTABLE UNIT W/WHEELS. 1 specification is 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.