The Hook and Bobbin Case, cataloged under National Stock Number 3530-00-390-4539, is classified within Federal Supply Class 3530 (Industrial Sewing Machines and Mobile Textile Repair Shops) of the Service and Trade Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3530-00-390-4539 |
| Item Name | Hook and Bobbin Case |
| FSC / FSG | 3530 / 35 — Industrial Sewing Machines and Mobile Textile Repair Shops |
| 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 |
| Reference | Meaning |
|---|---|
| 144832 | 3/9 Design control — primary reference Singer Co the |
NSN 3530-00-390-4539 is a Hook and Bobbin Case, classified under FSC 3530, Industrial Sewing Machines and Mobile Textile Repair Shops. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5320-01-023-6275. Verify interchangeability with system specifications before substitution.
Key specifications for 3530-00-390-4539: End Item Identification: SINGER CLASS 95,96 AND 245 INDUSTRIAL SEWING MACHINES. 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.