The Belt,shaft Connection, cataloged under National Stock Number 3530-00-780-4955, 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. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3530-00-780-4955 |
| Primary Part Number | 265121 |
| Item Name | Belt,shaft Connection |
| FSC / FSG | 3530 / 35 — Industrial Sewing Machines and Mobile Textile Repair Shops |
| Manufacturer | Singer Industrial Sewing Products Co Cutters Exchange Div |
| Status | ACTIVE |
| General Characteristics Item Description | RUBBER |
| 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 |
|---|---|
| 265121 PRIMARY | Singer Industrial Sewing Products Co Cutters Exchange Div (USA) |
| Reference | Meaning |
|---|---|
| 265121 | 5/9 Secondary reference Singer Co the |
NSN 3530-00-780-4955 is a Belt,shaft Connection, 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 3530-00-780-4955 has 1 manufacturer part number on file: 265121 (Singer Industrial Sewing Products Co Cutters Exchange Div).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-590-1101. Verify interchangeability with system specifications before substitution.
Key specifications for 265121: General Characteristics Item Description: RUBBER; End Item Identification: SINGER CLASS 144W AND 145W INDUSTRIAL SEWING MACHINE W. 1 specification is 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.