The Arm Assembly,defect, cataloged under National Stock Number 1720-01-271-8892, 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 Hamill Manufacturing Company Dba Hamill Manufacturing Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Arm Assembly,defect |
| FSC / FSG | 1720 — Aircraft Launching Equipment (FSG 17) |
| Manufacturers | Hamill Manufacturing Company Dba Hamill Manufacturing Co (CAGE 17661); The Entwistle Company Llc (CAGE 20722) |
| Parameter | Value |
|---|---|
| NSN | 1720-01-271-8892 |
| Primary Part Number | 514759-11 |
| Item Name | Arm Assembly,defect |
| FSC / FSG | 1720 / 17 — Aircraft Launching Equipment |
| Manufacturer | Hamill Manufacturing Company Dba Hamill Manufacturing Co |
| 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 |
|---|---|
| 514759-11 | Hamill Manufacturing Company Dba Hamill Manufacturing Co (USA) |
| 514759-11 | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| 514759-11 | 3/2 Design control — primary reference U.S. Government activity |
| 514759-11 | 5/9 Secondary reference U.S. Government activity |
NSN 1720-01-271-8892 is a Arm Assembly,defect, manufactured by Hamill Manufacturing Company Dba Hamill Manufacturing Co, classified under FSC 1720, Aircraft Launching Equipment. Status: active.
NSN 1720-01-271-8892 has 2 manufacturer part numbers on file: 514759-11 (Hamill Manufacturing Company Dba Hamill Manufacturing Co), 514759-11 (The Entwistle Company Llc).
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 1720-01-271-8892 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.