The Lock,shaft, cataloged under National Stock Number 5342-01-269-4090, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory. Government technical data includes 1 specification, 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 | 5342-01-269-4090 |
| Primary Part Number | 8U56218-103 |
| Item Name | Lock,shaft |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,LG 2.000 IN.,0.500 IN. WIDE,HGHT 0.750 IN.,W/ 0.375 TO 0.377 IN. DIA X 1.000 IN. DP; HAS HOLE,DIA 0.1875 THRU FOR 0.0005 TO 0.0010 PRESS FIT OF DOWEL PIN; PIN DIA 0.188 IN. & 0.500 LG IN |
| 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 |
|---|---|
| 8U56218-103 PRIMARY | Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory (USA) |
NSN 5342-01-269-4090 is a Lock,shaft, manufactured by Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-269-4090 has 1 manufacturer part number on file: 8U56218-103 (Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory).
Key specifications for 8U56218-103: General Characteristics Item Description: STEEL,LG 2.000 IN.,0.500 IN. WIDE,HGHT 0.750 IN.,W/ 0.375 TO 0.377 IN. DIA X 1.000 IN. DP; HAS HOLE,DIA 0.1875 THRU FOR 0.0005 TO 0.0010 PRESS FIT OF DOWEL PIN; PIN DIA 0.188 IN. & 0.500 LG IN. 1 specification is 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.