The Hook,bobbin Case, cataloged under National Stock Number 3530-01-171-9549, is classified within Federal Supply Class 3530 (Industrial Sewing Machines and Mobile Textile Repair Shops) of the Service and Trade Equipment group. The manufacturer of record is Singer Industrial Sewing Products Co Cutters Exchange Div. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 3530-01-171-9549 |
| Primary Part Number | 224432 |
| Item Name | Hook,bobbin Case |
| FSC / FSG | 3530 / 35 — Industrial Sewing Machines and Mobile Textile Repair Shops |
| Manufacturer | Singer Industrial Sewing Products Co Cutters Exchange Div |
| Status | ACTIVE |
| 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 |
|---|---|
| 224432 | Singer Industrial Sewing Products Co Cutters Exchange Div (USA) |
| Reference | Meaning |
|---|---|
| 224432 | 3/9 Design control — primary reference Singer Co the |
| 210532 | 5/9 Secondary reference Singer Co the |
NSN 3530-01-171-9549 is a Hook,bobbin Case, manufactured by Singer Industrial Sewing Products Co Cutters Exchange Div, classified under FSC 3530, Industrial Sewing Machines and Mobile Textile Repair Shops. Status: active.
NSN 3530-01-171-9549 has 1 manufacturer part number on file: 224432 (Singer Industrial Sewing Products Co Cutters Exchange Div).
Key specifications for 224432: End Item Identification: SINGER MODEL 107W INDUSTRIAL SEWING MACHINES W. 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.
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.