The Spring,helical,extension, cataloged under National Stock Number 5360-00-992-3502, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Lexmark International, Inc. Dba Lexmark. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-992-3502 |
| Primary Part Number | 1072818 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Lexmark International, Inc. Dba Lexmark |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.229 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN |
| End Style | SHORT TWISTED HOOK FIRST END |
| End Style | REDUCED HOOK SECOND END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | 06-641,CAGE 05487 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.851 INCHES MINIMUM AND 0.879 INCHES MAXIMUM IN |
| Spring Deflection Rate | 11.070 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.173 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN |
| Coil Quantity | 8 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.062 INCHES NOMINAL SECOND END IN |
| Hook Radius | 0.086 INCHES MINIMUM AND 0.096 INCHES MAXIMUM 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 |
NSN 5360-00-992-3502 is a Spring,helical,extension, manufactured by Lexmark International, Inc. Dba Lexmark, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-992-3502 has 3 manufacturer part numbers on file: 1072818 (International Business Machines Corp Parts Order Center Dept E - 54), 1072818 (International Business Machines Corporation Dba IBM), 1072818 (Lexmark International, Inc. Dba Lexmark).
Key specifications for 1072818: Spring Free Outside Diameter: 0.229 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN; End Style: SHORT TWISTED HOOK FIRST END; End Style: REDUCED HOOK SECOND END; Design Type: CLOSED. 14 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.