The Spring,helical,extension, cataloged under National Stock Number 5360-00-922-5355, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Komatsu America Corp.. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5360-00-922-5355 |
| Primary Part Number | 309944R1 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Komatsu America Corp. |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.609 INCHES NOMINAL IN |
| End Style | FULL LOOP FIRST END |
| End Style | MACHINE FULL HOOK SECOND END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.250 INCHES NOMINAL SECOND END IN |
| Spring Free Length | 2.813 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 1.188 INCHES NOMINAL FIRST END IN |
| Coil to Hook Inside Length | 0.438 INCHES NOMINAL SECOND END IN |
| Inside Diameter | 0.438 INCHES NOMINAL IN |
| Coil Quantity | 12 |
| Surface Treatment | PAINT OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 309944R1 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 309944R1 | 5/9 Secondary reference U.S. Government activity |
| 309944R1 | 3/9 Design control — primary reference Komatsu American Intl Co |
NSN 5360-00-922-5355 is a Spring,helical,extension, manufactured by Komatsu America Corp., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-922-5355 has 1 manufacturer part number on file: 309944R1 (Komatsu America Corp.).
Key specifications for 309944R1: Spring Free Outside Diameter: 0.609 INCHES NOMINAL IN; End Style: FULL LOOP FIRST END; End Style: MACHINE FULL 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.