The Spring,helical,extension, cataloged under National Stock Number 5360-00-772-6562, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-772-6562 |
| Primary Part Number | 1850686 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.690 INCHES NOMINAL IN |
| End Style | DOBBY HOOK FIRST END |
| End Style | MACHINE CUT-OFF SECOND END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.375 INCHES NOMINAL FIRST END IN |
| Spring Free Length | 7.163 INCHES NOMINAL IN |
| Spring Deflection Rate | 53.700 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.750 INCHES NOMINAL FIRST END IN |
| Inside Diameter | 1.240 INCHES NOMINAL IN |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.250 INCHES NOMINAL FIRST END 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 |
|---|---|
| 1850686 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 1850686 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1875844PC22 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 185068PCALL | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5360-00-772-6562 is a Spring,helical,extension, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-772-6562 has 2 manufacturer part numbers on file: 1850686 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1850686 (Northrop Grumman Systems Corporation).
Key specifications for 1850686: Spring Free Outside Diameter: 1.690 INCHES NOMINAL IN; End Style: DOBBY HOOK FIRST END; End Style: MACHINE CUT-OFF SECOND END; Design Type: CLOSED. 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.