The Locknut,disk, cataloged under National Stock Number 5310-01-057-9880, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-057-9880 |
| Primary Part Number | 1889567ASSYA1INPC17 |
| Item Name | Locknut,disk |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | CORROSION RESISTING STEEL PER ASTM-A-270 |
| 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 |
|---|---|
| 1889567ASSYA1INPC17 PRIMARY | Naval Sea Systems Command (USA) |
| F26862REVD PRIMARY | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1889567ASSYA1IN P1889567ASSYA1I | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-057-9880 is a Locknut,disk, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-057-9880 has 2 manufacturer part numbers on file: 1889567ASSYA1INPC17 (Naval Sea Systems Command), F26862REVD (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).
Key specifications for 1889567ASSYA1INPC17: General Characteristics Item Description: CORROSION RESISTING STEEL PER ASTM-A-270. 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.