The Spring,helical,extension, cataloged under National Stock Number 5360-01-143-5930, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is U S Dept of Transportation Federal Aviation Administration. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-143-5930 |
| Primary Part Number | 100A0028 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | U S Dept of Transportation Federal Aviation Administration |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.812 INCHES NOMINAL IN |
| End Style | SHORT TWISTED HOOK FIRST END |
| End Style | FULL LOOP SECOND END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.625 INCHES NOMINAL IN |
| Spring Deflection Rate | 0.174 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.703 INCHES NOMINAL SECOND END IN |
| Coil to Hook Inside Length | 0.281 INCHES NOMINAL FIRST END IN |
| Inside Diameter | 0.726 INCHES NOMINAL IN |
| Coil Quantity | 7-1/4 |
| Surface Treatment | OXIDE OVERALL |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.141 INCHES NOMINAL FIRST END IN |
| Hook Radius | 0.351 INCHES NOMINAL SECOND END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 100A0028 PRIMARY | U S Dept of Transportation Federal Aviation Administration (USA) |
| Reference | Meaning |
|---|---|
| 100A0028 | 3/9 Design control — primary reference Siemens Energy & Automation, Inc. Dba Siemens Airfield Solutions Div Siemens Energy & Automation Dba Siemens Airfield Solutions |
| 100A028 | 5/9 Secondary reference Siemens Energy & Automation, Inc. Dba Siemens Airfield Solutions Div Siemens Energy & Automation Dba Siemens Airfield Solutions |
NSN 5360-01-143-5930 is a Spring,helical,extension, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-143-5930 has 1 manufacturer part number on file: 100A0028 (U S Dept of Transportation Federal Aviation Administration).
Key specifications for 100A0028: Spring Free Outside Diameter: 0.812 INCHES NOMINAL IN; End Style: SHORT TWISTED HOOK FIRST END; End Style: FULL LOOP SECOND END; Design Type: CLOSED. 16 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.