The Aligning Tool,cylinder, cataloged under National Stock Number 4910-01-277-1283, 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 Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4910-01-277-1283 |
| Primary Part Number | 72937F01 |
| Item Name | Aligning Tool,cylinder |
| FSC / FSG | 4910 / 49 — Motor Vehicle Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am |
| Status | ACTIVE |
| General Characteristics Item Description | ADAPTED TO CYLINDER HEAD AND GASKET ALIGNMENT |
| 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 |
|---|---|
| 72937F01 PRIMARY | Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am (USA) |
| Reference | Meaning |
|---|---|
| 72937F01 | 5/9 Secondary reference L a S Mfg Co |
| 72937 | 5/9 Secondary reference Grandi Motori Fincantieri /fggm/ Div |
| 72937 | 5/9 Secondary reference Isotta Fraschini Motori Spa |
| 72937 | 5/9 Secondary reference Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am |
NSN 4910-01-277-1283 is a Aligning Tool,cylinder, manufactured by Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am, classified under FSC 4910, Motor Vehicle Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4910-01-277-1283 has 1 manufacturer part number on file: 72937F01 (Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-604-2588. Verify interchangeability with system specifications before substitution.
Key specifications for 72937F01: General Characteristics Item Description: ADAPTED TO CYLINDER HEAD AND GASKET ALIGNMENT. 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.