The Spring,helical,extension, cataloged under National Stock Number 5360-00-560-2108, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-560-2108 |
| Primary Part Number | 43373 |
| 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 | 0.170 INCHES NOMINAL IN |
| End Style | FULL LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.748 INCHES NOMINAL IN |
| Spring Deflection Rate | 0.984 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.138 INCHES NOMINAL IN |
| Coil Quantity | 26-1/2 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Hook Radius | 0.196 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 |
|---|---|
| 43373 PRIMARY | Lexmark International, Inc. Dba Lexmark (USA) |
| 43373 | International Business Machines Corp Parts Order Center Dept E - 54 (USA) |
| 10168058 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 43373 | 5/9 Secondary reference International Business Machines Corporation Dba IBM |
NSN 5360-00-560-2108 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 5360-00-560-2108 has 3 manufacturer part numbers on file: 43373 (Lexmark International, Inc. Dba Lexmark), 43373 (International Business Machines Corp Parts Order Center Dept E - 54), 10168058 (Us Army Aviation and Missile Command).
5 possible matches (shared part number, not a government interchangeability claim): 5950-00-620-9597, 5950-01-187-8804, 4730-01-341-7205. Verify interchangeability with system specifications before substitution.
Key specifications for 43373: Spring Free Outside Diameter: 0.170 INCHES NOMINAL IN; End Style: FULL LOOP BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 11 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.