The Ring,retaining, cataloged under National Stock Number 5325-01-389-4243, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is American Metal Bearing Co Dba Amb Engineering & Machining Solutions. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-389-4243 |
| Primary Part Number | 88033CN06 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | American Metal Bearing Co Dba Amb Engineering & Machining Solutions |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 29.250 INCHES NOMINAL IN |
| Major Thickness | 2.000 INCHES NOMINAL IN |
| Inside Diameter | 26.630 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 88033CN06 PRIMARY | American Metal Bearing Co Dba Amb Engineering & Machining Solutions (USA) |
| 88033-06 PRIMARY | American Metal Bearing Co Dba Amb Engineering & Machining Solutions (USA) |
| 88033 PC 6 PRIMARY | American Metal Bearing Co Dba Amb Engineering & Machining Solutions (USA) |
| Reference | Meaning |
|---|---|
| 88033 PC 6 5 | 5/9 Secondary reference American Metal Bearing Co Dba Amb Engineering & Machining Solutions |
| 88033PN06 | 5/9 Secondary reference American Metal Bearing Co Dba Amb Engineering & Machining Solutions |
NSN 5325-01-389-4243 is a Ring,retaining, manufactured by American Metal Bearing Co Dba Amb Engineering & Machining Solutions, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-389-4243 has 3 manufacturer part numbers on file: 88033CN06 (American Metal Bearing Co Dba Amb Engineering & Machining Solutions), 88033-06 (American Metal Bearing Co Dba Amb Engineering & Machining Solutions), 88033 PC 6 (American Metal Bearing Co Dba Amb Engineering & Machining Solutions).
Key specifications for 88033CN06: Usage Design: INTERNAL; End Style: 90 DEGREE PARALLEL; Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 29.250 INCHES NOMINAL IN. 9 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.