The Housing,cylinder,pneumatic Actua, cataloged under National Stock Number 3040-01-522-2149, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hhe Services, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-522-2149 |
| Primary Part Number | 99C621-06-DWG-01-A-0 |
| Item Name | Housing,cylinder,pneumatic Actua |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hhe Services, Inc. |
| 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 |
|---|---|
| 99C621-06-DWG-01-A-0 PRIMARY | Hhe Services, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HI-721-6000 REV G ITEM 7 | 5/1 Secondary reference Hhe Services, Inc. |
NSN 3040-01-522-2149 is a Housing,cylinder,pneumatic Actua, manufactured by Hhe Services, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-522-2149 has 1 manufacturer part number on file: 99C621-06-DWG-01-A-0 (Hhe Services, Inc.).
Key specifications for 99C621-06-DWG-01-A-0: Overall Length: 20.540 INCHES NOMINAL IN; Overall Width: 18.000 INCHES NOMINAL IN; Special Features: SHIM PLATE 20.54 INCH X 18 INCH IN; Part Name Assigned by Controlling Agency: CYLINDER SLIDE ASSEMBLY. 0 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.