The Sleeve,plug Trunnio, cataloged under National Stock Number 1720-01-524-7204, is classified within Federal Supply Class 1720 (Aircraft Launching Equipment) of the Aircraft Launch, Landing, and Ground Handling Equipment group. The manufacturer of record is Duhadaway Tool & Die Shop Inc. The record lists 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1720-01-524-7204 |
| Primary Part Number | 524451-1 |
| Item Name | Sleeve,plug Trunnio |
| FSC / FSG | 1720 / 17 — Aircraft Launching Equipment |
| Manufacturer | Duhadaway Tool & Die Shop Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 524451-1 | Duhadaway Tool & Die Shop Inc (USA) |
| 524451-1 | Pre-Mach Inc (USA) |
| 524451-1 | James Choe Dba Pioneer Machine and Tooling Co Div Pioneer Machine (USA) |
| 524451-1 | Nassau Tool Works, Inc (USA) |
| 524451-1 | Krobach Mfg. Corp. Dba Krobach Manufacturing Corp (USA) |
| 524451-1 | Sky Usa Precision Manufacturing Llc (USA) |
| Reference | Meaning |
|---|---|
| 524451-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1720-01-524-7204 is a Sleeve,plug Trunnio, manufactured by Duhadaway Tool & Die Shop Inc, classified under FSC 1720, Aircraft Launching Equipment. Status: active.
NSN 1720-01-524-7204 has 6 manufacturer part numbers on file: 524451-1 (Duhadaway Tool & Die Shop Inc), 524451-1 (Pre-Mach Inc), 524451-1 (James Choe Dba Pioneer Machine and Tooling Co Div Pioneer Machine), 524451-1 (Nassau Tool Works, Inc), 524451-1 (Krobach Mfg. Corp. Dba Krobach Manufacturing Corp) and 1 more.
Key specifications for 524451-1: End Item Identification: 4R/5R COG ITEMS MANAGED BY BRASO. 0 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 1720-01-524-7204 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.