The Spring,helical,torsion, cataloged under National Stock Number 5360-00-312-5144, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stone Safety Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-312-5144 |
| Primary Part Number | 21817 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — No Item Name Available |
| Manufacturer | Stone Safety Corp |
| Status | ACTIVE |
| Inside Diameter | 0.511 INCHES NOMINAL IN |
| Hook Radius | 0.125 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| End Length From Second Bend to Third Bend or End | 0.313 INCHES NOMINAL SECOND END IN |
| Coil Quantity | 7 |
| Spring Free Outside Diameter | 0.625 INCHES NOMINAL IN |
| Hook Radius | 0.937 INCHES NOMINAL FIRST END IN |
| End Style | MACHINE LOOP END SECOND END |
| Coil Helix Direction | RIGHT-HAND |
| Spring Free Length | 0.469 INCHES NOMINAL IN |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| End Length From Second Bend to Third Bend or End | 0.219 INCHES NOMINAL FIRST END IN |
| End Style | REDUCED LOOP END FIRST END |
| Material | COPPER ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5360-00-312-5144 is a Spring,helical,torsion, manufactured by Stone Safety Corp, classified under FSC 5360 (No Item Name Available). Status: active.
NSN 5360-00-312-5144 has 2 cross-referenced part numbers: 21817 (Stone Safety Corp), T101694 (Stone Safety Corp).
There are 4 known substitutes for 5360-00-312-5144: 3110-00-109-1157, 5950-01-046-6982, 5961-01-097-3765 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21817: Inside Diameter: 0.511 INCHES NOMINAL IN; Hook Radius: 0.125 INCHES NOMINAL BOTH ENDS IN; Style Designator: SINGLE TORSION LEFT HAND; End Length From Second Bend to Third Bend or End: 0.313 INCHES NOMINAL SECOND END IN. 14 total characteristics are documented in the Federal Logistics Information System.