The Cylinder,actuating,linear, cataloged under National Stock Number 3040-00-449-7172, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-449-7172 |
| Item Name | Cylinder,actuating,linear |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Overall Diameter | 11.500 INCHES MINIMUM AND 11.530 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A322, GRADE 4150 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-624,STEEL NO. 4150 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| Body Material | STEEL COMP 4150 |
| Bore Diameter | 10.000 INCHES MINIMUM AND 10.002 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 13214E0023-4 | 3/2 Design control — primary reference U.S. Government activity |
| 981060 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-00-449-7172 is a Cylinder,actuating,linear, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6530-01-461-8476. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-00-449-7172: Overall Diameter: 11.500 INCHES MINIMUM AND 11.530 INCHES MAXIMUM IN; Material Document and Classification: ASTM A322, GRADE 4150 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-624,STEEL NO. 4150 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED; Overall Length: 58.735 INCHES MINIMUM AND 58.765 INCHES MAXIMUM IN; Body Material: STEEL COMP 4150. 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.