The Fixture,aircraft Maintenance, cataloged under National Stock Number 4920-01-604-9562, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is John Chadwick Corporation Dba Chadwick John Corp. Government technical data includes 4 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 | 4920-01-604-9562 |
| Primary Part Number | 8400-40 |
| Item Name | Fixture,aircraft Maintenance |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | John Chadwick Corporation Dba Chadwick John Corp |
| Status | ACTIVE |
| Nominal Overall Width | 2.5 INCHES IN |
| Nominal Overall Length | 6.0 INCHES IN |
| Nominal Overall Height | 9.0 INCHES IN |
| Functional Description | USE W/8400-0 MICROMETER FOR SHAFT & SPLINE INSPECTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8400-40 PRIMARY | John Chadwick Corporation Dba Chadwick John Corp (USA) |
NSN 4920-01-604-9562 is a Fixture,aircraft Maintenance, manufactured by John Chadwick Corporation Dba Chadwick John Corp, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-604-9562 has 1 manufacturer part number on file: 8400-40 (John Chadwick Corporation Dba Chadwick John Corp).
Key specifications for 8400-40: Nominal Overall Width: 2.5 INCHES IN; Nominal Overall Length: 6.0 INCHES IN; Nominal Overall Height: 9.0 INCHES IN; Functional Description: USE W/8400-0 MICROMETER FOR SHAFT & SPLINE INSPECTION. 4 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.
NSN 4920-01-604-9562 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.