The Cotter,key, cataloged under National Stock Number 4320-01-457-0190, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is W S Darley & Co. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-457-0190 |
| Primary Part Number | 3605201 |
| Item Name | Cotter,key |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | W S Darley & Co |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 3605201 PRIMARY | W S Darley & Co (USA) |
| Reference | Meaning |
|---|---|
| Z60000300063 | 5/9 Secondary reference W S Darley & Co |
| B229 | D/9 Drawing number reference only W S Darley & Co |
NSN 4320-01-457-0190 is a Cotter,key, manufactured by W S Darley & Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-457-0190 has 1 manufacturer part number on file: 3605201 (W S Darley & Co).
Key specifications for 3605201: Overall Length: 0.750 INCHES NOMINAL IN; Overall Width: 0.09375 INCHES NOMINAL IN; End Item Identification: CHAMPION FIRE PUMP P-100, MODEL 2BE10YDN; Material: STEEL CORROSION RESISTING. 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.