The Ring,externally Threaded, cataloged under National Stock Number 5365-00-486-9527, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Moog Military Aircraft Llc. Government technical data includes 20 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-486-9527 |
| Primary Part Number | A21645-1 |
| Item Name | Ring,externally Threaded |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Moog Military Aircraft Llc |
| Status | ACTIVE |
| Bore Annular Internal Serration | NOT INCLUDED |
| Beveled Thread | INCLUDED |
| Surface Treatment Document and Classification | MIL-C-5541 CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A |
| Drive Type | SLOTTED FACE |
| Material Document and Classification | MIL-S-862 CLASS 324 MIL SPEC SINGLE MATERIAL RESPONSE |
| Thread Location | BOTH ENDS |
| Bore Shape | STRAIGHT |
| Thread Direction | RIGHT-HAND |
| Setscrew Locking Notch | NOT INCLUDED |
| Accommodation Type and Quantity | 2 SLOTS |
| Casehardening Indicator | NOT CASEHARDENED |
| Angle Between Accommodations in Deg | 180.0 |
| Thread Size | 0.562-28 |
| Screw Thread Series Designator | UN |
| Surface Treatment | PASSIVATE |
| Depth | 0.055 INCHES NOMINAL IN |
| Width | 0.060 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Bore Diameter | 0.265 INCHES NOMINAL IN |
| Material | STEEL COMP 324 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5365-00-486-9527 is a Ring,externally Threaded, manufactured by Moog Military Aircraft Llc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-486-9527 has 2 manufacturer part numbers on file: A21645-1 (Moog Military Aircraft Llc), 091-70067 (Moog Military Aircraft Llc).
Key specifications for A21645-1: Bore Annular Internal Serration: NOT INCLUDED; Beveled Thread: INCLUDED; Surface Treatment Document and Classification: MIL-C-5541 CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A; Drive Type: SLOTTED FACE. 20 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.
NSN 5365-00-486-9527 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.