The Spacer,ring, cataloged under National Stock Number 5365-01-064-5643, 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. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-064-5643 |
| Primary Part Number | 128BP10022-3 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Outside Diameter | 5.125 INCHES NOMINAL IN |
| Overall Thickness | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE |
| Inside Diameter | 4.457 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE |
| 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 |
|---|---|
| 128BP10022-3 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 128BP10022-3 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5365-01-064-5643 is a Spacer,ring, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-064-5643 has 1 manufacturer part number on file: 128BP10022-3 (Northrop Grumman Systems Corporation).
Key specifications for 128BP10022-3: Outside Diameter: 5.125 INCHES NOMINAL IN; Overall Thickness: 0.125 INCHES NOMINAL IN; Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE; Inside Diameter: 4.457 INCHES NOMINAL IN. 5 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.