The Ring,externally Threaded, cataloged under National Stock Number 5365-00-615-5992, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 20 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 | 5365-00-615-5992 |
| Primary Part Number | 6155992 |
| Item Name | Ring,externally Threaded |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| FSC Application Data | RECOIL CYLINDER HEAD,CARRIAGE,GUN,155MM,M3 MM |
| Bore Annular Internal Serration | NOT INCLUDED |
| Material Hardness Rating | C16 TO C27 |
| Beveled Thread | NOT INCLUDED |
| Drive Type | DRILLED FACE |
| Thread Pitch Diameters | +4.7609 TO 4.7629 INCHES IN |
| Diameter | 0.391 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Thread Direction | RIGHT-HAND |
| Setscrew Locking Notch | NOT INCLUDED |
| Accommodation Type and Quantity | 2 HOLES |
| Radius From Geometric Axis to Accommodation | 2.0865 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Angle Between Accommodations in Deg | 180.0 |
| Thread Size | 4.8819D - 0.2362P - MOD 6 DEG - R |
| Screw Thread Series Designator | SPECIAL ACME |
| Surface Treatment | OXIDE |
| Depth | 0.230 INCHES NOMINAL IN |
| Bore Diameter | 3.583 INCHES NOMINAL IN |
| Material | STEEL COMP 1045 |
| 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 |
|---|---|
| 6155992 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5365-00-615-5992 is a Ring,externally Threaded, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-615-5992 has 1 manufacturer part number on file: 6155992 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 6155992: FSC Application Data: RECOIL CYLINDER HEAD,CARRIAGE,GUN,155MM,M3 MM; Bore Annular Internal Serration: NOT INCLUDED; Material Hardness Rating: C16 TO C27; Beveled Thread: NOT INCLUDED. 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.
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.