The Spring,helical,torsion, cataloged under National Stock Number 5360-01-221-3221, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Breeze-Eastern Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-221-3221 |
| Primary Part Number | BL-11665-1 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — No Item Name Available |
| Manufacturer | Breeze-Eastern Llc |
| Status | ACTIVE |
| End Length | 0.380 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.124 INCHES NOMINAL IN |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| End Style | ONE HOOK END BOTH ENDS |
| Style Designator | SINGLE TORSION LEFT HAND |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| Spring Free Length | 0.400 INCHES MAXIMUM IN |
| Spring Free Outside Diameter | 0.160 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 720-231-1 | Mason Electric Co. Dba Mason Controls (USA) |
| BL-11665-1 PRIMARY | Breeze-Eastern Llc (USA) |
NSN 5360-01-221-3221 is a Spring,helical,torsion, manufactured by Breeze-Eastern Llc, classified under FSC 5360 (No Item Name Available). Status: active.
NSN 5360-01-221-3221 has 2 cross-referenced part numbers: 720-231-1 (Mason Electric Co. Dba Mason Controls), BL-11665-1 (Breeze-Eastern Llc).
There is 1 known substitute for 5360-01-221-3221: 1560-01-528-0114. Verify interchangeability with system specifications before substitution.
Key specifications for BL-11665-1: End Length: 0.380 INCHES NOMINAL BOTH ENDS IN; Inside Diameter: 0.124 INCHES NOMINAL IN; Coil Helix Direction: RIGHT-HAND OR LEFT-HAND; End Style: ONE HOOK END BOTH ENDS. 9 total characteristics are documented in the Federal Logistics Information System.