The Ring,externally Threaded, cataloged under National Stock Number 5365-01-075-5643, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 21 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 | 5365-01-075-5643 |
| Primary Part Number | 4053767 |
| Item Name | Ring,externally Threaded |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Bore Annular Internal Serration | NOT INCLUDED |
| Beveled Thread | NOT INCLUDED |
| Chamfer Length | 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN |
| Bore Edge Process | CHAMFERED |
| Drive Type | SLOTTED FACE |
| Material Document and Classification | AMS 5666 ASSN STD SINGLE MATERIAL RESPONSE |
| Process End Location | END OPPOSITE DRIVE END |
| Bore Shape | STRAIGHT |
| Thread Direction | RIGHT-HAND |
| Setscrew Locking Notch | NOT INCLUDED |
| Accommodation Type and Quantity | 8 SLOTS |
| Casehardening Indicator | NOT CASEHARDENED |
| Angle Between Accommodations in Deg | 90.0 |
| Thread Size | 1.187-12 |
| Screw Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) |
| Chamfer Angle in Deg | 45.0 |
| Depth | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Width | 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Bore Diameter | 0.840 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY 625 |
| 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 |
|---|---|
| 4053767 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5365-01-075-5643 is a Ring,externally Threaded, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-075-5643 has 1 manufacturer part number on file: 4053767 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4053767: Bore Annular Internal Serration: NOT INCLUDED; Beveled Thread: NOT INCLUDED; Chamfer Length: 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN; Bore Edge Process: CHAMFERED. 21 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.