The Extension Shaft, cataloged under National Stock Number 3040-01-478-3749, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-478-3749 |
| Primary Part Number | 39449 |
| Item Name | Extension Shaft |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 39449 | Moog Inc. Dba Ampac-Isp Corp (USA) |
| 41042-39245 ITEM 19 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 41042-39245 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 39449 PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 41042-39245 | Moog Inc. Dba Ampac-Isp Corp (USA) |
| 41042-39245 ITEM 19 | Moog Inc. Dba Ampac-Isp Corp (USA) |
NSN 3040-01-478-3749 is a Extension Shaft, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-01-478-3749 has 6 cross-referenced part numbers: 39449 (Moog Inc. Dba Ampac-Isp Corp), 41042-39245 ITEM 19 (Electric Boat Corporation Div General Dynamics Electric Boat), 41042-39245 (Electric Boat Corporation Div General Dynamics Electric Boat), 39449 (Electric Boat Corporation Div General Dynamics Electric Boat), 41042-39245 (Moog Inc. Dba Ampac-Isp Corp) and 1 more.
There are 12 known substitutes for 3040-01-478-3749: 6680-01-272-7074, 4320-01-477-9374, 4320-01-477-9376 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 39449: End Item Identification: ROTARY HYDRAULIC ACTUATOR, MODEL 41042; SEAWOLF; Special Features: CAM EXTENTION ARM; SHAFT MATERIAL: NICKEL ALLOY. 2 total characteristics are documented in the Federal Logistics Information System.