The Ring,externally Threaded, cataloged under National Stock Number 5365-01-209-9710, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-209-9710 |
| Item Name | Ring,externally Threaded |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Status | ACTIVE |
| Bore Annular Internal Serration | NOT INCLUDED |
| Beveled Thread | INCLUDED |
| Chamfer Length | 0.062 INCHES NOMINAL IN |
| Bore Edge Process | CHAMFERED |
| Drive Type | DRILLED FACE |
| Diameter | 0.250 INCHES NOMINAL IN |
| Process End Location | END OPPOSITE DRIVE END |
| Thread Location | BOTH ENDS |
| Bore Shape | STRAIGHT |
| Thread Direction | RIGHT-HAND |
| Setscrew Locking Notch | INCLUDED |
| Accommodation Type and Quantity | 2 HOLES |
| Radius From Geometric Axis to Accommodation | 2.500 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Angle Between Accommodations in Deg | 180.0 |
| Thread Size | 6.000-12 |
| Screw Thread Series Designator | UN |
| Chamfer Angle in Deg | 45.0 |
| Depth | 0.250 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Bore Diameter | 4.000 INCHES NOMINAL IN |
| Material | NICKEL ALLOY 400 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SSBN640-522-2118955 PIECE 4 | D/9 Drawing number reference only U.S. Government activity |
| 76643-67X4 PIECE 4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5365-01-209-9710 is a Ring,externally Threaded, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
Key specifications for 5365-01-209-9710: Bore Annular Internal Serration: NOT INCLUDED; Beveled Thread: INCLUDED; Chamfer Length: 0.062 INCHES NOMINAL IN; Bore Edge Process: CHAMFERED. 22 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.