The Ring,externally Threaded, cataloged under National Stock Number 5365-01-138-5888, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5365-01-138-5888 |
| Primary Part Number | 845-2050999 PIECE 15 |
| Item Name | Ring,externally Threaded |
| FSC / FSG | 5365 / 53 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | CANCELLED |
| Thread Class | 2A A |
| Accommodation Type and Quantity | 2 SLOTS |
| Screw Thread Series Designator | UN |
| Bore Edge Process | CHAMFERED |
| Depth | 0.375 INCHES NOMINAL IN |
| Thread Size | 1.750-12 |
| Beveled Thread | NOT INCLUDED |
| Process End Location | DRIVE END |
| Bore Diameter | 0.562 INCHES NOMINAL IN |
| Drive Type | SLOTTED FACE |
| Bore Annular Internal Serration | NOT INCLUDED |
| Bore Shape | STRAIGHT |
| Width | 0.250 INCHES NOMINAL IN |
| Setscrew Locking Notch | NOT INCLUDED |
| Angle Between Accommodations in Deg | 180.0 |
| Material | COPPER ALLOY 630 |
| Casehardening Indicator | NOT CASEHARDENED |
| Chamfer Angle in Deg | 60.0 |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2640-613 PIECE 15 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 845-2050999 PIECE 15 PRIMARY | Naval Ship Systems Command (USA) |
NSN 5365-01-138-5888 is a Ring,externally Threaded, manufactured by Naval Ship Systems Command, classified under FSC 5365 (No Item Name Available). Status: cancelled.
NSN 5365-01-138-5888 has 2 cross-referenced part numbers: 2640-613 PIECE 15 (Electric Boat Corporation Div General Dynamics Electric Boat), 845-2050999 PIECE 15 (Naval Ship Systems Command).
There is 1 known substitute for 5365-01-138-5888: 4820-01-167-2843. Verify interchangeability with system specifications before substitution.
Key specifications for 845-2050999 PIECE 15: Thread Class: 2A A; Accommodation Type and Quantity: 2 SLOTS; Screw Thread Series Designator: UN; Bore Edge Process: CHAMFERED. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 5365-01-138-5888 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.