The Spring,helical,extension, cataloged under National Stock Number 5360-01-121-3016, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Breeze-Eastern Llc. Government technical data includes 10 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-121-3016 |
| Primary Part Number | 12968-1 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Breeze-Eastern Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.438 INCHES NOMINAL IN |
| End Style | EXTENDED LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | SAE 302,TYPE 18-8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 3.271 INCHES NOMINAL IN |
| Inside Diameter | 0.354 INCHES NOMINAL IN |
| Coil Quantity | 40 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 302 OVERALL |
| 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 |
|---|---|
| 12968-1 PRIMARY | Breeze-Eastern Llc (USA) |
NSN 5360-01-121-3016 is a Spring,helical,extension, manufactured by Breeze-Eastern Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-121-3016 has 1 manufacturer part number on file: 12968-1 (Breeze-Eastern Llc).
Key specifications for 12968-1: Spring Free Outside Diameter: 0.438 INCHES NOMINAL IN; End Style: EXTENDED LOOP BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 10 specifications are 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.