The Rod,piston,linear Actuating Cyli, cataloged under National Stock Number 3040-01-305-7994, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Allenair Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-305-7994 |
| Primary Part Number | B-1504-1 |
| Item Name | Rod,piston,linear Actuating Cyli |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Allenair Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| B-1504-1 PRIMARY | Allenair Corp (USA) |
| Reference | Meaning |
|---|---|
| B-1504 | 5/9 Secondary reference Allenair Corp |
NSN 3040-01-305-7994 is a Rod,piston,linear Actuating Cyli, manufactured by Allenair Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-305-7994 has 1 manufacturer part number on file: B-1504-1 (Allenair Corp).
1 possible match (shared part number, not a government interchangeability claim): 7025-01-605-0124. Verify interchangeability with system specifications before substitution.
Key specifications for B-1504-1: End Item Identification: CYLINDER ACTUATING,ALLENAIR CORP,MODEL E; Material: STEEL. 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.