The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-312-9253, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Brooks T J Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | Jlg Industries, Inc. (CAGE 1YHH8); Brooks T J Co (CAGE 67089) |
| Parameter | Value |
|---|---|
| NSN | 3040-01-312-9253 |
| Primary Part Number | DH4-176 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Brooks T J Co |
| Status | ACTIVE |
| 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 |
|---|---|
| 8205569 | Jlg Industries, Inc. (USA) |
| DH4-176 PRIMARY | Brooks T J Co (USA) |
| Reference | Meaning |
|---|---|
| 6600344 | D/9 Drawing number reference only Trak International |
| 6600344 | D/9 Drawing number reference only Brooks T J Co |
| 8205569 | 5/9 Secondary reference Trak International |
NSN 3040-01-312-9253 is a Piston,linear Actuating Cylinder, manufactured by Brooks T J Co, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-312-9253 has 2 manufacturer part numbers on file: 8205569 (Jlg Industries, Inc.), DH4-176 (Brooks T J Co).
4 possible matches (shared part number, not a government interchangeability claim): 3950-01-313-0602, 4820-01-313-2808, 4820-01-313-2809. Verify interchangeability with system specifications before substitution.
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.