The Extension Shaft, cataloged under National Stock Number 3040-00-177-1819, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-177-1819 |
| Primary Part Number | AU8 |
| Item Name | Extension Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Socket Diameter | 0.125 INCHES NOMINAL IN |
| Length | 1.625 INCHES NOMINAL IN |
| Socket Depth | 0.500 INCHES NOMINAL IN |
| Style Designator | PLAIN SOCKET |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 0.188 INCHES NOMINAL IN |
| Shaft End Design | MALE AND FEMALE |
| Shaft End Diameter | 0.250 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 303 |
| Shoulder Length | 0.625 INCHES NOMINAL IN |
| End Type | PROCESSED END |
| Shaft End Configuration | ROUND |
| 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 |
|---|---|
| 723890-520 | Raytheon Company Div Rmd Strategic (USA) |
| AU8 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| Reference | Meaning |
|---|---|
| 723898-520 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 3040-00-177-1819 is a Extension Shaft, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-177-1819 has 2 manufacturer part numbers on file: 723890-520 (Raytheon Company Div Rmd Strategic), AU8 (Roller Bearing Co of America, Inc Div Pic Design).
Key specifications for AU8: Socket Diameter: 0.125 INCHES NOMINAL IN; Length: 1.625 INCHES NOMINAL IN; Socket Depth: 0.500 INCHES NOMINAL IN; Style Designator: PLAIN SOCKET. 13 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.