The Cylinder Assembly,reaction, cataloged under National Stock Number 2540-01-398-4591, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling. Government technical data includes 3 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-398-4591 |
| Primary Part Number | 1377992 |
| Item Name | Cylinder Assembly,reaction |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling |
| Status | ACTIVE |
| Compressed Length | 6.020 INCHES NOMINAL IN |
| Extended Length | 8.580 INCHES NOMINAL IN |
| Mounting Type and Location | BALL STUD BOTH ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 1377992 PRIMARY | Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA) |
| Reference | Meaning |
|---|---|
| 1377992 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
| 98-1740 | 5/9 Secondary reference Bosch Automation Technology |
| 98-1740 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc Div Camloc Products |
| 364976 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
| 341825 | D/9 Drawing number reference only Hyster-Yale Group, Inc. |
NSN 2540-01-398-4591 is a Cylinder Assembly,reaction, manufactured by Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-398-4591 has 1 manufacturer part number on file: 1377992 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling).
3 possible matches (shared part number, not a government interchangeability claim): 5910-01-444-4585, 6530-01-461-9877, 4320-01-465-4592. Verify interchangeability with system specifications before substitution.
Key specifications for 1377992: Compressed Length: 6.020 INCHES NOMINAL IN; Extended Length: 8.580 INCHES NOMINAL IN; Mounting Type and Location: BALL STUD BOTH ENDS. 3 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.