The Cap,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-381-8852, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-381-8852 |
| Primary Part Number | 801-6641189FNB8 |
| Item Name | Cap,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Outside Diameter | 8.250 INCHES MAXIMUM IN |
| Overall Thickness | 2.500 INCHES MAXIMUM IN |
| Material | ALUMINUM |
| 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 |
|---|---|
| 801-6641189FNA8 | Naval Sea Systems Command (USA) |
| 801-6641189FNB8 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3040-01-381-8852 is a Cap,linear Actuating Cylinder, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-381-8852 has 2 manufacturer part numbers on file: 801-6641189FNA8 (Naval Sea Systems Command), 801-6641189FNB8 (Naval Sea Systems Command).
Key specifications for 801-6641189FNB8: Outside Diameter: 8.250 INCHES MAXIMUM IN; Overall Thickness: 2.500 INCHES MAXIMUM IN; Special Features: SURFACE FINISH:ANODIZED;4.748 IN.ID;HAS SIX EQUALLY SPACED 0.751 IN.DIA THRU HOLES ON A 6.750 IN.BOLT CIRCLE;CENTER OF CAP HAS A 0.656 IN.DIA THRU HOLE WITH 0.750-16 IN.UNF-2B THREADS TO A DEPTH OF 0.613 IN.FROM THE OUTSIDE AND COUNTERBORED TO A DIA OF 1.188 IN.TO A DEPTH OF 0.094 IN. IN; End Item Identification: W/S CODE JG SEAWOLF CLASS SSN. 3 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.