The Ring,externally Threaded, cataloged under National Stock Number 5365-01-129-4728, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 18 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 | 5365-01-129-4728 |
| Primary Part Number | 8644334 |
| Item Name | Ring,externally Threaded |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Bore Annular Internal Serration | NOT INCLUDED |
| Beveled Thread | NOT INCLUDED |
| Drive Type | SLOTTED INNER FACE |
| Taper Major Diameter Location | DRIVE END |
| Taper Major Diameter | 0.500 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Thread Direction | RIGHT-HAND |
| Setscrew Locking Notch | NOT INCLUDED |
| Accommodation Type and Quantity | 2 HOLES |
| Casehardening Indicator | NOT CASEHARDENED |
| Angle Between Accommodations in Deg | 45.0 |
| Thread Size | 0.625-32 |
| Screw Thread Series Designator | UNS |
| Depth | 0.500 INCHES NOMINAL IN |
| Width | 0.938 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Bore Diameter | 0.500 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| 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 |
|---|---|
| 8644334 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 5365-01-129-4728 is a Ring,externally Threaded, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-129-4728 has 1 manufacturer part number on file: 8644334 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 8644334: Bore Annular Internal Serration: NOT INCLUDED; Beveled Thread: NOT INCLUDED; Drive Type: SLOTTED INNER FACE; Taper Major Diameter Location: DRIVE END. 18 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.