The Shaft,straight, cataloged under National Stock Number 3040-01-564-5502, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hydraulics International, Inc. Dba Hydraulics International Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Shaft,straight |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | Hydraulics International, Inc. Dba Hydraulics International Inc (CAGE 56529) |
| Parameter | Value |
|---|---|
| NSN | 3040-01-564-5502 |
| Primary Part Number | 3305AS1214-2 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hydraulics International, Inc. Dba Hydraulics International Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3305AS1214-2 PRIMARY | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| Reference | Meaning |
|---|---|
| 3305AS1214 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 3040-01-564-5502 is a Shaft,straight, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-564-5502 has 1 manufacturer part number on file: 3305AS1214-2 (Hydraulics International, Inc. Dba Hydraulics International Inc).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-564-8761. 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.
NSN 3040-01-564-5502 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.