The Extension Shaft, cataloged under National Stock Number 3040-00-172-8969, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-172-8969 |
| Primary Part Number | 387943-1 |
| Item Name | Extension Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| Socket Diameter | 0.250 INCHES NOMINAL IN |
| Length | 1.187 INCHES NOMINAL IN |
| Style Designator | PLAIN SOCKET |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 1.125 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 | 0.562 INCHES NOMINAL IN |
| End Type | PROCESSED END |
| Shaft End Configuration | ROUND AND FLATTED 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 |
|---|---|
| 387943-1 PRIMARY | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
NSN 3040-00-172-8969 is a Extension Shaft, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-172-8969 has 1 manufacturer part number on file: 387943-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).
Key specifications for 387943-1: Socket Diameter: 0.250 INCHES NOMINAL IN; Length: 1.187 INCHES NOMINAL IN; Style Designator: PLAIN SOCKET; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE. 12 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.