The Ring,externally Threaded, cataloged under National Stock Number 5365-01-408-2003, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 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 | 5365-01-408-2003 |
| Primary Part Number | 564-6405177-9809 |
| Item Name | Ring,externally Threaded |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Bore Annular Internal Serration | NOT INCLUDED |
| Beveled Thread | NOT INCLUDED |
| Drive Type | SLOTTED FACE |
| Thread Pitch Diameters | +7.659 TO 7.667 INCHES IN |
| Bore Shape | STRAIGHT |
| Thread Direction | RIGHT-HAND |
| Setscrew Locking Notch | NOT INCLUDED |
| Accommodation Type and Quantity | 4 SLOTS |
| Casehardening Indicator | NOT CASEHARDENED |
| Angle Between Accommodations in Deg | 90.0 |
| Thread Size | 7.750-8 |
| Screw Thread Series Designator | UNS |
| Depth | 0.250 INCHES NOMINAL IN |
| Width | 0.520 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Bore Diameter | 6.980 INCHES MINIMUM AND 7.020 INCHES MAXIMUM IN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 210105165 | Naval Sea Systems Command (USA) |
| 564-6405177-9809 PRIMARY | Naval Sea Systems Command (USA) |
| DF2285-1450 FIND 9809 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| DF2285-1450 FIND 9809 | Naval Sea Systems Command (USA) |
NSN 5365-01-408-2003 is a Ring,externally Threaded, manufactured by Naval Sea Systems Command, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-408-2003 has 4 manufacturer part numbers on file: 210105165 (Naval Sea Systems Command), 564-6405177-9809 (Naval Sea Systems Command), DF2285-1450 FIND 9809 (Huntington Ingalls Inc Div Newport News Shipbuilding), DF2285-1450 FIND 9809 (Naval Sea Systems Command).
Key specifications for 564-6405177-9809: Bore Annular Internal Serration: NOT INCLUDED; Beveled Thread: NOT INCLUDED; Drive Type: SLOTTED FACE; Thread Pitch Diameters: +7.659 TO 7.667 INCHES IN. 17 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.