The Thread Saver, cataloged under National Stock Number 5120-01-656-9588, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Naval Sea Systems Command. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-656-9588 |
| Primary Part Number | 399-8603684 IT11 |
| Item Name | Thread Saver |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| 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 |
|---|---|
| 191914597 | Carlisle Machine Works Inc (USA) |
| 80CAR011-0144 | Carlisle Machine Works Inc (USA) |
| 399-8603684 IT11 PRIMARY | Naval Sea Systems Command (USA) |
| 191914597 | Amee Bay, Llc (USA) |
NSN 5120-01-656-9588 is a Thread Saver, manufactured by Naval Sea Systems Command, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-656-9588 has 4 manufacturer part numbers on file: 191914597 (Carlisle Machine Works Inc), 80CAR011-0144 (Carlisle Machine Works Inc), 399-8603684 IT11 (Naval Sea Systems Command), 191914597 (Amee Bay, Llc).
Key specifications for 399-8603684 IT11: Special Features: 2.9 INCH OVERALL LENGTH;0.380 OD THREADED 5/16-18 ON ONE END AND 0.250 HEX ON THE END TO ACCEPT SOCKETS IN. 0 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.