The Spring,helical,extension, cataloged under National Stock Number 5360-00-910-9109, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Mission Systems Davenport Inc.. Government technical data includes 15 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 | 5360-00-910-9109 |
| Primary Part Number | 26-370-4756 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Mission Systems Davenport Inc. |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-B-6812,PARA 3.15.1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Load Rating | 26.00 POUNDS MINIMUM AND 32.00 POUNDS MAXIMUM LBS |
| End Style | REDUCED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.450 INCHES NOMINAL BOTH ENDS IN |
| Material Document and Classification | QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 2.586 INCHES NOMINAL IN |
| Inside Diameter | 0.764 INCHES NOMINAL IN |
| Spring Length Under Load | 2.850 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 302 OVERALL |
| Hook Radius | 0.382 INCHES NOMINAL BOTH ENDS IN |
| 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 |
|---|---|
| 26-370-4756 PRIMARY | Mission Systems Davenport Inc. (USA) |
NSN 5360-00-910-9109 is a Spring,helical,extension, manufactured by Mission Systems Davenport Inc., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-910-9109 has 1 manufacturer part number on file: 26-370-4756 (Mission Systems Davenport Inc.).
Key specifications for 26-370-4756: Spring Free Outside Diameter: 1.000 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-B-6812,PARA 3.15.1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Load Rating: 26.00 POUNDS MINIMUM AND 32.00 POUNDS MAXIMUM LBS; End Style: REDUCED HOOK BOTH ENDS. 15 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.