The Piston,tube, cataloged under National Stock Number 1045-01-170-4038, is classified within Federal Supply Class 1045 (Launchers, Torpedo and Depth Charge) of the Weapons group. The manufacturer of record is In Speck Corp Dba in Speck Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Piston,tube |
| FSC / FSG | 1045 — Launchers, Torpedo and Depth Charge (FSG 10) |
| Manufacturers | In Speck Corp Dba in Speck Corp (CAGE 32904) |
| Parameter | Value |
|---|---|
| NSN | 1045-01-170-4038 |
| Primary Part Number | 708-4684962 |
| Item Name | Piston,tube |
| FSC / FSG | 1045 / 10 — Launchers, Torpedo and Depth Charge |
| Manufacturer | In Speck Corp Dba in Speck Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 708-4684962 | In Speck Corp Dba in Speck Corp (USA) |
| Reference | Meaning |
|---|---|
| 708-4684962 | 5/9 Secondary reference Aluf Industries Inc |
| 87891-0209 ITEM 34 | 5/2 Secondary reference U.S. Government activity |
| 708-4684962 | 5/9 Secondary reference Dynatek-Technology Inc |
| 708-4684962 | 5/2 Secondary reference U.S. Government activity |
| 87841-0209 ITEM 34 | 5/2 Secondary reference U.S. Government activity |
| 708-4684962 | 5/9 Secondary reference Control Mechanisms Inc |
| 708-4684962 | 3/2 Design control — primary reference U.S. Government activity |
| 708-4684962 ITEM 34 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1045-01-170-4038 is a Piston,tube, manufactured by In Speck Corp Dba in Speck Corp, classified under FSC 1045, Launchers, Torpedo and Depth Charge. Status: active.
NSN 1045-01-170-4038 has 1 manufacturer part number on file: 708-4684962 (In Speck Corp Dba in Speck Corp).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1045-01-170-4038 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.