The Spring,helical,extension, cataloged under National Stock Number 5360-00-290-5443, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Wellington Development Corporation. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-290-5443 |
| Primary Part Number | 73766 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — No Item Name Available |
| Manufacturer | Wellington Development Corporation |
| Status | ACTIVE |
| Material | COPPER ALLOY OVERALL |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Coil Quantity | 81 |
| Spring Free Length | 1.250 INCHES NOMINAL IN |
| Coil Helix Direction | LEFT-HAND |
| Spring Free Outside Diameter | 0.146 INCHES NOMINAL IN |
| Inside Diameter | 0.122 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Hook Radius | 0.063 INCHES NOMINAL BOTH ENDS IN |
| Design Type | CLOSED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 73766 | Wellington Development Corporation (USA) |
NSN 5360-00-290-5443 is a Spring,helical,extension, manufactured by Wellington Development Corporation, classified under FSC 5360 (No Item Name Available). Status: active.
NSN 5360-00-290-5443 has 1 cross-referenced part number: 73766 (Wellington Development Corporation).
There are 5 known substitutes for 5360-00-290-5443: 2910-00-213-8507, 4820-01-086-8703, 3450-01-133-1478 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 73766: Material: COPPER ALLOY OVERALL; End Style: SHORT TWISTED HOOK BOTH ENDS; Coil Quantity: 81; Spring Free Length: 1.250 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.