The Hat,ring Assembly, cataloged under National Stock Number 1560-00-421-3375, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1560-00-421-3375 |
| Primary Part Number | 32-32251-59 |
| Item Name | Hat,ring Assembly |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,MIL-A-9183,COND O |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 32-32251-59 | Barnes Group Inc. Div Barnes Aerospace Fabrications, Ogden (USA) |
| 32-32251-59 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 32-32251-59 | 5/9 Secondary reference Tawsco Industries Inc |
NSN 1560-00-421-3375 is a Hat,ring Assembly, manufactured by The Boeing Company Div Defense, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-00-421-3375 has 2 manufacturer part numbers on file: 32-32251-59 (Barnes Group Inc. Div Barnes Aerospace Fabrications, Ogden), 32-32251-59 (The Boeing Company Div Defense).
Key specifications for 32-32251-59: General Characteristics Item Description: ALUMINUM ALLOY,MIL-A-9183,COND O; End Item Identification: ACFT MODEL F4. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1560-00-421-3375 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.