The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-494-6550, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Moog Inc. Dba Ampac-Isp Corp. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-494-6550 |
| Primary Part Number | LA53-40595 ITEM 2 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Moog Inc. Dba Ampac-Isp Corp |
| Status | ACTIVE |
| Nominal Thread Size | 0.500 INCHES IN |
| Specification/standard Data | 0FWC2-ASTM A564 ALLOY S17400 TYPE 630 CONDITION H1100 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Ring Groove Quantity | 1 |
| 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 |
|---|---|
| LA53-40595 ITEM 2 PRIMARY | Moog Inc. Dba Ampac-Isp Corp (USA) |
| 40597 | Moog Inc. Dba Ampac-Isp Corp (USA) |
| Reference | Meaning |
|---|---|
| LA53-40595 | D/9 Drawing number reference only Moog Inc. Dba Ampac-Isp Corp |
NSN 3040-01-494-6550 is a Piston,linear Actuating Cylinder, manufactured by Moog Inc. Dba Ampac-Isp Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-494-6550 has 2 manufacturer part numbers on file: LA53-40595 ITEM 2 (Moog Inc. Dba Ampac-Isp Corp), 40597 (Moog Inc. Dba Ampac-Isp Corp).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-494-7292, 5930-01-555-9180. Verify interchangeability with system specifications before substitution.
Key specifications for LA53-40595 ITEM 2: Nominal Thread Size: 0.500 INCHES IN; Specification/standard Data: 0FWC2-ASTM A564 ALLOY S17400 TYPE 630 CONDITION H1100 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION; Ring Groove Quantity: 1; Special Features: PISTON AND ROD ARE INTEGRAL ONE PIECE. 4 specifications are 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.