The Spring,helical,extension, cataloged under National Stock Number 5360-00-834-3261, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is L3harris Interstate Electronics Corporation. Government technical data includes 13 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 | 5360-00-834-3261 |
| Primary Part Number | 512-226-123 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | L3harris Interstate Electronics Corporation |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.070 INCHES NOMINAL IN |
| End Style | FULL HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.020 INCHES NOMINAL BOTH ENDS IN |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.494 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.110 INCHES NOMINAL FIRST END IN |
| Coil to Hook Inside Length | 0.112 INCHES NOMINAL SECOND END IN |
| Coil Quantity | 32 |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL UNS K08500 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 |
|---|---|
| 512-226-123 PRIMARY | L3harris Interstate Electronics Corporation (USA) |
NSN 5360-00-834-3261 is a Spring,helical,extension, manufactured by L3harris Interstate Electronics Corporation, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-834-3261 has 1 manufacturer part number on file: 512-226-123 (L3harris Interstate Electronics Corporation).
Key specifications for 512-226-123: Spring Free Outside Diameter: 0.070 INCHES NOMINAL IN; End Style: FULL HOOK BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 13 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.