The Ring,externally Threaded, cataloged under National Stock Number 5365-01-088-0107, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Flowserve Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-088-0107 |
| Primary Part Number | 811 |
| Item Name | Ring,externally Threaded |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Flowserve Inc |
| Status | ACTIVE |
| Bore Annular Internal Serration | NOT INCLUDED |
| Beveled Thread | NOT INCLUDED |
| Drive Type | MILLED WRENCHING FLATS |
| Diameter | 1.810 INCHES MINIMUM IN |
| Bore Shape | STRAIGHT |
| Thread Direction | RIGHT-HAND |
| Setscrew Locking Notch | NOT INCLUDED |
| Height | 0.185 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 1.438-16 |
| Screw Thread Series Designator | UN |
| Thread Class | 2A A |
| Bore Diameter | 1.091 INCHES MINIMUM AND 1.094 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 811 PRIMARY | Flowserve Inc (USA) |
NSN 5365-01-088-0107 is a Ring,externally Threaded, manufactured by Flowserve Inc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-088-0107 has 1 manufacturer part number on file: 811 (Flowserve Inc).
Key specifications for 811: Bore Annular Internal Serration: NOT INCLUDED; Beveled Thread: NOT INCLUDED; Drive Type: MILLED WRENCHING FLATS; Diameter: 1.810 INCHES MINIMUM IN. 13 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.