The Ring,externally Threaded, cataloged under National Stock Number 5365-00-815-2602, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-815-2602 |
| Primary Part Number | 671893 |
| Item Name | Ring,externally Threaded |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Bore Annular Internal Serration | NOT INCLUDED |
| Beveled Thread | NOT INCLUDED |
| Surface Treatment Document and Classification | E+1204 94697 MFR REF SINGLE TREATMENT RESPONSE |
| Drive Type | SLOTTED FACE |
| Thread Pitch Diameters | +1.6790 TO 1.6820 INCHES IN |
| 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 | 1.700-40 |
| Screw Thread Series Designator | NONSTANDARD |
| Surface Treatment | PASSIVATE |
| Depth | 0.050 INCHES NOMINAL IN |
| Width | 0.060 INCHES NOMINAL IN |
| Bore Diameter | 1.600 INCHES NOMINAL IN |
| Material | STEEL COMP 303 |
| 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 |
|---|---|
| 671893 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 5365-00-815-2602 is a Ring,externally Threaded, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-815-2602 has 1 manufacturer part number on file: 671893 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-141-7782. Verify interchangeability with system specifications before substitution.
Key specifications for 671893: Bore Annular Internal Serration: NOT INCLUDED; Beveled Thread: NOT INCLUDED; Surface Treatment Document and Classification: E+1204 94697 MFR REF SINGLE TREATMENT RESPONSE; Drive Type: SLOTTED FACE. 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.