The Wrench Valve, cataloged under National Stock Number 9999-01-652-1764, is classified within Federal Supply Class 9999 (Miscellaneous Items) of the Miscellaneous group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9999-01-652-1764 |
| Primary Part Number | 556-6405334-174 |
| Item Name | Wrench Valve |
| FSC / FSG | 9999 / 99 — Miscellaneous Items |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material | STEEL |
| 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 |
|---|---|
| DF330687-174 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 556-6405334-174 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 1478635F | 5/2 Secondary reference U.S. Government activity |
| B792-7510-F101 | 5/1 Secondary reference U.S. Government activity |
| 556-7411171-F101 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 9999-01-652-1764 is a Wrench Valve, manufactured by Naval Sea Systems Command, classified under FSC 9999, Miscellaneous Items. Status: active.
NSN 9999-01-652-1764 has 2 manufacturer part numbers on file: DF330687-174 (Huntington Ingalls Inc Div Newport News Shipbuilding), 556-6405334-174 (Naval Sea Systems Command).
Key specifications for 556-6405334-174: Material: STEEL. 1 specification is 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.